# List of CAS numbers by chemical compound

This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula.The CAS number is a unique number applied to a specific chemical by the Chemical Abstracts Service (CAS).This list complements alternative listings to be found at list of inorganic compounds and glossary of chemical formulae.
* A
* B
* C
* D
* E
* F
* G
* H
* I
* K
* L
* M
* N
* O
* P
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* See also
* External links

## A

| Chemical formula | Synonyms | CAS number |
| Ac$_2$O$_3$ | actinium(III) oxide | 12002–61–8 |
| Ag | silver | 7440-22-4 |
| AgAlCl$_4$ | silver tetrachloroaluminate | 27039–77–6 |
| AgBr | silver bromide | 7785–23–1 |
| AgBrO$_3$ | silver bromate | 7783–89–3 |
| AgCN | silver cyanide | 506–64–9 |
| AgC$_2$H$_3$O$_2$ | silver acetate | 563–63–3 |
| AgCl | silver chloride | 7783–90–6 |
| AgClO$_3$ | silver chlorate | 7783–92–8 |
| AgClO$_4$ | silver perchlorate | 7783–93–9 |
| AgF | silver fluoride | 7775–41–9 |
| AgF$_2$ | silver difluoride | 7783–95–1 |
| AgI | silver iodide | 7783–96–2 |
| AgIO$_3$ | silver iodate | 7783–97–3 |
| AgMnO$_4$ | silver permanganate | 7783–98–4 |
| AgN$_3$ | silver azide | 13863–88–2 |
| AgNO$_3$ | silver nitrate | 7761–88–8 |
| AgO | silver(I,III) oxide | 1301–96–8 |
| AgONC | silver fulminate | 5610–59–3 |
| AgPF$_6$ | silver hexafluorophosphate | 26042–63–7 |
| AgReO$_4$ | silver perrhenate | 7784–00–1 |
| AgSNC | silver thiocyanate | 1701–93–5 |
| Ag$_2$C$_2$ | silver acetylide | 7659–31–6 |
| Ag$_2$CO$_3$ | silver carbonate | 534–16–7 |
| Ag$_2$C$_2$O$_4$ | silver oxalate | 533–51–7 |
| Ag$_2$Cl$_2$ | disilver dichloride | 75763–82–5 |
| Ag$_2$CrO$_4$ | silver chromate | 7784–01–2 |
| Ag$_2$Cr$_2$O$_7$ | silver dichromate | 7784–02–3 |
| Ag$_2$F | silver subfluoride | 1302–01–8 |
| Ag$_2$MoO$_4$ | silver molybdate | 13765–74–7 |
| Ag$_2$O | silver oxide | 20667–12–3 |
| Ag$_2$S | silver sulfide | 21548–73–2 |
| Ag$_2$SO$_4$ | silver sulfate | 10294–26–5 |
| Ag$_2$Se | silver selenide | 1302–09–6 |
| Ag$_2$SeO$_3$ | silver selenite | 7784–05–6 |
| Ag$_2$SeO$_4$ | silver selenate | 7784–07–8 |
| Ag$_2$Te | silver telluride | 12002–99–2 |
| Ag$_3$Br$_2$ | silver dibromide | 11078–32–3 |
| Ag$_3$Br$_3$ | silver tribromide | 11078–33–4 |
| Ag$_3$Cl$_3$ | trisilver trichloride | 12444–96–1 |
| Ag$_3$I$_3$ | trisilver triiodide | 37375–12–5 |
| Ag$_3$PO$_4$ | silver phosphate | 7784–09–0 |
| Ag$_3$SbS$_3$ | silver thioantimonate | 15983–65–0 |
| Al | aluminium | 7429–90–5 |
| AlAs | aluminium arsenide | 22831–42–1 |
| AlB$_2$ | aluminium diboride | 12041–50–8 |
| AlB$_{12}$ | aluminium dodecaboride | 12041–54–2 |
| AlBr$_3$ | aluminium bromide | 7727–15–3 |
| AlBr$_3$•6H$_2$O | aluminium bromide hexahydrate | 7784–11–4 |
| Al(CHO$_2$)$_3$ | aluminium formate | 7360–53–4 |
| AlCl$_3$ | aluminium chloride | 7446–70–0 |
| AlCl$_3$•6H$_2$O | aluminium chloride hexahydrate | 7784–13–6 |
| AlF$_3$ | aluminium fluoride | 7784–18–1 |
| AlI$_3$ | aluminium iodide | 7784–23–8 |
| AlN | aluminium nitride | 24304–00–5 |
| Al(NO$_3$)$_3$ | aluminium nitrate | 13473–90–0 |
| Al(OH)$_3$ | aluminium hydroxide | 21645–51–2 |
| AlP | aluminium phosphide | 20859–73–8 |
| AlPO$_4$ | aluminium phosphate | 7784–30–7 |
| AlSb | aluminium antimonide | 25152–52–7 |
| Al$_2$O$_3$ | aluminium oxide | 1344–28–1 |
| Al$_2$(SO$_4$)$_3$ | aluminium sulfate | 10043–01–3 |
| Al$_2$S$_3$ | aluminium sulfide | 1302–81–4 |
| Al$_2$Se$_3$ | aluminium selenide | 1302–82–5 |
| Al$_4$C$_3$ | aluminum carbide | 1299–86–1 |
| Al$_6$O$_{13}$Si$_2$ | aluminum silicate | 1302–93–8 |
| AmCl$_3$ | americium(III) chloride | 13464–46–5 |
| AmO$_2$ | americium dioxide | 12005–67–3 |
| As | arsenic | 7440–38–2 |
| AsBrO | arsenic oxybromide | 82868–10–8 |
| AsBr$_3$ | arsenic tribromide | 7784–33–0 |
| AsCl$_3$ | arsenic trichloride | 7784–34–1 |
| AsCl$_3$O | arsenic oxychloride | 60646–36–8 |
| AsCl$_5$ | arsenic pentachloride | 22441–45–8 |
| AsF$_3$ | arsenic trifluoride | 7784–35–2 |
| AsF$_5$ | arsenic pentafluoride | 7784–36–3 |
| AsH$_3$ | arsenic trihydride | 7784–42–1 |
| AsI$_3$ | arsenic triiodide | 7784–45–4 |
| AsO | arsenic monoxide | 12005–99–1 |
| AsO$_2$ | arsenic dioxide | 12255–12–8 |
| AsP | arsenic monophosphide | 12255–33–3 |
| AsP$_3$ | arsenic phosphide | 12511–95–4 |
| AsSe$_4$ | arsenic tetraselenide | 12006–06–3 |
| As$_2$H$_4$ | diarsenic tetrahydride | 15942–63–9 |
| As$_2$I$_4$ | arsenic diiodide | 13770–56–4 |
| As$_2$O$_3$ | arsenic trioxide | 1327–53–3 |
| As$_2$O$_5$ | arsenic pentoxide | 1303–28–2 |
| As$_2$P$_2$ | arsenic diphosphide | 12512–03–7 |
| As$_2$S$_3$ | arsenic trisulfide | 1303–33–9 |
| As$_2$S$_4$ | arsenic tetrasulfide | 1303–32–8 |
| As$_2$S$_5$ | arsenic pentasulfide | 1303–34–0 |
| As$_2$Se | arsenic hemiselenide | 1303–35–1 |
| As$_2$Se$_3$ | arsenic triselenide | 1303–36–2 |
| As$_2$Se$_5$ | arsenic pentaselenide | 1303–37–3 |
| As$_2$Te$_3$ | arsenic tritelluride | 12044–54–1 |
| As$_3$O$_4$ | arsenic tetraoxide | 83527–53–1 |
| As$_3$P | arsenic triphosphide | 12512–11–7 |
| As$_4$S$_4$ | tetraarsenic tetrasulfide | 12279–90–2 |
| Au | gold | 7440–57–5 |
| AuBr | gold(I) bromide | 10294–27–6 |
| AuBr$_3$ | gold(III) bromide | 10294–28–7 |
| AuCN | gold(I) cyanide | 506–65–0 |
| AuCl | gold(I) chloride | 10294–29–8 |
| AuCl$_3$ | gold(III) chloride | 13453–07–1 |
| AuF$_3$ | gold(III) fluoride | 14720–21–9 |
| AuF$_5$ | gold(V) fluoride | 57542–85–5 |
| AuI | gold(I) iodide | 10294–31–2 |
| AuI$_3$ | gold(III) iodide | 31032–13–0 |
| Au(OH)$_3$ | gold(III) hydroxide | 1303–52–2 |
| AuSe | gold(II) selenide | 23331–11–5 |
| AuTe | gold(II) telluride | 37043–71–3 |
| Au$_2$O$_3$ | gold(III) oxide | 1303–58–8 |
| Au$_2$S | gold(I) sulfide | 1303–60–2 |
| Au$_2$S$_3$ | gold(III) sulfide | 1303–61–3 |
| Au$_2$(SeO$_4$)$_3$ | gold(III) selenate | 10294–32–3 |
| Au$_2$Se$_3$ | gold(III) selenide | 1303–62–4 |
| Au$_4$Cl$_8$ | gold(I,III) chloride | 62792–24–9 |
| Au$_4$F$_8$ | gold(I,III) fluoride | 14270–21–4 |

## B

| Chemical formula | Synonyms | CAS number |
| BAs | boron arsenide | 12005–69–5 |
| BAsO$_4$ | boron arsenate | 13510–31–1 |
| BBr$_3$ | boron tribromide | 10294–33–4 |
| BCl$_3$ | boron trichloride | 10294–34–5 |
| BF$_3$ | boron trifluoride | 7637–07–2 |
| BI$_3$ | boron triiodide | 13517–10–7 |
| BN | boron nitride | 10043–11–5 |
| BP | boron phosphide | 20205–91–8 |
| BPO$_4$ | boron phosphate | 13308–51–5 |
| B$_2$Cl$_4$ | diboron tetrachloride | 13701–67–2 |
| B$_2$F$_4$ | diboron tetrafluoride | 13965–73–6 |
| B$_2$H$_6$ | diboron hexahydride | 19287–45–7 |
| B$_2$O$_3$ | diboron trioxide | 1303–86–2 |
| B$_2$S$_3$ | diboron trisulfide | 12007–33–9 |
| B$_4$C | boron carbide | 12069–32–8 |
| B$_4$H$_{10}$ | boron decahydride | 18283–93–7 |
| BaAl$_2$O$_4$ | barium aluminate | 12004–04–5 |
| Ba(AsO$_3$)$_2$ | barium arsenite | 125687–68–5 |
| Ba(AsO$_4$)$_2$ | barium arsenate | 56997–31–0 |
| BaB$_6$ | barium boride | 12046–08–1 |
| BaBr$_2$ | barium bromide | 10553–31–8 |
| BaBr$_2$•2H$_2$O | barium bromide dihydrate | 7791–28–8 |
| Ba(CHO$_2$)$_2$ | barium formate | 541–43–5 |
| Ba(CN)$_2$ | barium cyanide | 542–62–1 |
| BaCO$_3$ | barium carbonate | 513–77–9 |
| BaC$_2$ | barium carbide | 50813–65–5 |
| Ba(C$_2$H$_3$O$_2$)$_2$ | barium acetate | 543–80–6 |
| BaC$_2$O$_4$ | barium oxalate | 516–02–9 |
| BaC$_4$H$_4$O$_6$ | barium tartrate | 5908–81–6 |
| Ba(C$_{18}$H$_{35}$O$_2$)$_2$ | barium stearate | 6865–35–6 |
| Ba(ClO$_3$)$_2$ | barium chlorate | 13477–00–4 |
| Ba(ClO$_4$)$_2$ | barium perchlorate | 13465–95–7 |
| BaCl$_2$ | barium chloride | 10361–37–2 |
| BaCl$_2$•2H$_2$O | barium chloride dihydrate | 10326–27–9 |
| BaCrO$_4$ | barium chromate | 10294–40–3 |
| BaF$_2$ | barium fluoride | 7787–32–8 |
| Ba(HS)$_2$ | barium hydrosulfide | 25417–81–6 |
| BaH$_2$ | barium hydride | 13477–09–3 |
| BaHgI$_4$ | barium tetraiodomercurate | 10048–99–4 |
| BaI$_2$ | barium iodide | 13718–50–8 |
| BaI$_2$•2H$_2$O | barium iodide dihydrate | 7787–33–9 |
| BaMnO$_4$ | barium manganate | 7787–35–1 |
| Ba(MnO$_4$)$_2$ | barium permanganate | 7787–36–2 |
| BaMoO$_4$ | barium molybdate | 7787–37–3 |
| Ba(NO$_2$)$_2$ | barium nitrite | 13465–94–6 |
| Ba(NO$_3$)$_2$ | barium nitrate | 10022–31–8 |
| BaN$_6$ | barium azide | 18810–58–7 |
| Ba(NbO$_3$)$_2$ | barium niobate | 12009–14–2 |
| BaO | barium oxide | 1304–28–5 |
| Ba(OH)$_2$ | barium hydroxide | 17194–00–2 |
| BaO$_2$ | barium peroxide | 1304–29–6 |
| Ba(PO$_3$)$_2$ | barium metaphosphate | 13466–20–1 |
| Ba(ReO$_4$)$_2$ | barium perrhenate | 13768–52–0 |
| BaS | barium sulfide | 21109–95–5 |
| Ba(SCN)$_2$ | barium thiocyanate | 2092–17–3 |
| BaSO$_3$ | barium sulfite | 7787–39–5 |
| BaSO$_4$ | barium sulfate | 7727–43–7 |
| BaS$_2$O$_3$ | barium thiosulfate | 35112–53–9 |
| BaSe | barium selenide | 1304–39–8 |
| BaSeO$_3$ | barium selenite | 13718–59–7 |
| BaSeO$_4$ | barium selenate | 7787–41–9 |
| BaSiF$_6$ | barium hexafluorosilicate | 17125–80–3 |
| BaSiO$_3$ | barium metasilicate | 13255–26–0 |
| BaSi$_2$ | barium silicide | 1304–40–1 |
| BaSi$_2$O$_5$ | barium disilicate | 12650–28–1 |
| BaSnO$_3$ | barium stannate | 12009–18–6 |
| BaTiO$_3$ | barium titanate | 12047–27–7 |
| Ba(VO$_3$)$_2$ | barium vanadate | 22652–39–7 |
| BaWO$_4$ | barium tungstate | 7787–42–0 |
| BaZrO$_3$ | barium zirconate | 12009–21–1 |
| Ba$_2$P$_2$O$_7$ | barium pyrophosphate | 13466–21–2 |
| Ba$_3$(CrO$_4$)$_2$ | barium dichromate | 12345–14–1 |
| Ba$_3$N$_2$ | barium nitride | 12047–79–9 |
| Ba$_3$(VO$_4$)$_2$ | barium orthovanadate | 39416–30–3 |
| BeAl$_2$O$_4$ | beryllium aluminate | 120041–06–7 |
| Be(BH$_4$)$_2$ | beryllium borohydride | 17440–85–6 |
| BeB$_2$ | beryllium boride | 12228–40–9 |
| BeBr$_2$ | beryllium bromide | 7787–46–4 |
| Be(CHO$_2$)$_2$ | beryllium formate | 1111–71–3 |
| Be(C$_2$H$_3$O$_2$)$_2$ | beryllium acetate | 543–81–7 |
| Be(C$_5$H$_7$O$_2$)$_2$ | beryllium acetylacetonate | 10210–64–7 |
| BeCl$_2$ | beryllium chloride | 7787–47–5 |
| BeF$_2$ | beryllium fluoride | 7787–49–7 |
| BeH$_2$ | beryllium hydride | 7787–52–2 |
| BeI$_2$ | beryllium iodide | 7787–53–3 |
| Be(NO$_3$)$_2$ | beryllium nitrate | 13597–99–4 |
| Be(NO$_3$)$_2$•4H$_2$O | beryllium nitrate tetrahydrate | 13510–48–0 |
| Be(NO$_3$)$_2$•3H$_2$O | beryllium nitrate trihydrate | 7787–55–5 |
| BeO | beryllium oxide | 1304–56–9 |
| Be(OH)$_2$ | beryllium hydroxide | 13327–32–7 |
| BeS | beryllium sulfide | 13598–22–6 |
| BeSO$_4$ | beryllium sulfate | 13510–49–1 |
| BeSO$_4$•4H$_2$O | beryllium sulfate trihydrate | 7787–56–6 |
| BeSe | beryllium selenide | 12232–25–6 |
| BeTe | beryllium telluride | 12232–27–8 |
| Be$_2$C | beryllium carbide | 506–66–1 |
| Be$_2$SiO$_4$ | beryllium silicate | 13598–00–0 |
| Be$_3$N$_2$ | beryllium nitride | 1304–54–7 |
| Be$_3$(PO$_4$)$_2$ | beryllium phosphate | 13598–15–7 |
| BiBr$_3$ | bismuth(III) bromide | 7787–58–8 |
| Bi(CHO$_2$)$_3$ | bismuth(III) formate | 25573–24–4 |
| BiC$_6$H$_5$O$_7$ | bismuth(III) citrate | 813–93–4 |
| BiCl$_3$ | bismuth(III) chloride | 7787–60–2 |
| BiF$_3$ | bismuth(III) fluoride | 7787–61–3 |
| BiF$_5$ | bismuth(V) fluoride | 7787–62–4 |
| BiH$_3$ | bismuth(III) hydride | 18288–22–7 |
| BiI$_3$ | bismuth(III) iodide | 7787–64–6 |
| BiNbO$_4$ | bismuth(III) orthoniobate | 12272–28–5 |
| BiOBr | bismuth(III) oxybromide | 7787–57–7 |
| BiOCl | bismuth(III) oxychloride | 7787–59–9 |
| Bi(OH)$_3$ | bismuth(III) hydroxide | 10361–43–0 |
| BiOI | bismuth(III) oxyiodide | 7787–63–5 |
| BiONO$_3$ | bismuth(III) oxynitrate | 10361–46–3 |
| (BiO)$_2$CO$_3$ | bismuth(III) subcarbonate | 5892–10–4 |
| BiPO$_4$ | bismuth(III) phosphate | 10049–01–1 |
| BiTaO$_4$ | bismuth(III) orthotantalate | 12272–29–6 |
| BiVO$_4$ | bismuth(III) vanadate | 14059–33–7 |
| Bi$_2$(C$_2$O$_4$)$_3$ | bismuth(III) oxalate | 6591–55–5 |
| Bi$_2$(MoO$_4$)$_3$ | bismuth(III) molybdate | 51898–99–8 |
| Bi$_2$O$_3$ | bismuth(III) oxide | 1304–76–3 |
| Bi$_2$O$_4$ | bismuth(IV) peroxide | 12048–50–9 |
| Bi$_2$S$_3$ | bismuth(III) sulfide | 1345–07–9 |
| Bi$_2$Se$_3$ | bismuth(III) selenide | 12068–69–8 |
| Bi$_2$(SnO$_4$)$_3$ | bismuth(III) stannate | 7787–68–0 |
| Bi$_2$Te$_3$ | bismuth(III) telluride | 1304–82–1 |
| Bi$_4$(TiO$_4$)$_3$ | bismuth(III) titanate | 12048–51–0 |
| Bi$_5$O(OH)$_9$(NO$_3$)$_4$ | bismuth(III) subnitrate | 1304–85–4 |
| BkBr$_3$ | berkelium(III) bromide | 22787–71–9 |
| BkCl$_3$ | berkelium(III) chloride | 13536–46–4 |
| BkF$_3$ | berkelium(III) fluoride | 20716–88–5 |
| BkF$_4$ | berkelium(IV) fluoride | 22422–27–1 |
| BkI$_3$ | berkelium(III) iodide | 23171–53–1 |
| BkO | berkelium(II) oxide | 70424–36–1 |
| BkO$_2$ | berkelium(IV) oxide | 12010–84–3 |
| Bk$_2$O$_3$ | berkelium(III) oxide | 12310–58–6 |
| BrCl | bromine monochloride | 13863–41–7 |
| BrF | bromine monofluoride | 13863–59–7 |
| BrF$_3$ | bromine trifluoride | 7787–71–5 |
| BrF$_5$ | bromine pentafluoride | 7789–30–2 |
| BrN$_3$ | bromine azide | 13973–87–0 |
| BrO$_2$ | bromine dioxide | 21255–83–4 |
| Br$_2$O | bromine monoxide | 21308–80–5 |

## C

| Chemical formula | Synonyms | CAS number |
| C$_{10}$H$_{16}$N$_2$O$_8$ | Ethylenediaminetetraacetic acid (EDTA) | 6381–92–6 |
| C$_{12}$H$_{22}$O$_{11}$ | sucrose | 57–50–1 |
| C$_{18}$H$_{29}$O$_3$S | sodium dodecyl benzenesulfonate | 2155–30–0 |
| C$_{20}$H$_{25}$N$_{30}$ | Lysergic acid diethylamide (LSD) | 50–37–3 |
| C$_{123}$H$_{193}$N$_{35}$O$_{37}$ | Common serum albumin (macromolecule) | 9048–49–1 |
| Ca(AlH$_4$)$_2$ | calcium tetrahydroaluminate | 16941–10–9 |
| CaAl$_2$O$_4$ | calcium aluminate | 12042–68–1 |
| CaB$_6$ | calcium boride | 12007–99–7 |
| CaBr$_2$ | calcium bromide | 7789–41–5 |
| Ca(CHO$_2$)$_2$ | calcium formate | 544–17–2 |
| Ca(CN)$_2$ | calcium cyanide | 592–01–8 |
| CaCN$_2$ | calcium cyanamide | 156–62–7 |
| CaCO$_3$ | calcium carbonate | 471–34–1 |
| CaC$_2$ | calcium carbide | 75–20–7 |
| Ca(C$_2$HO$_2$)$_2$ | calcium fumarate | 19855–56–2 |
| Ca(C$_2$H$_3$O$_2$)$_2$ | calcium acetate | 62–54–4 |
| CaC$_2$O$_4$ | calcium oxalate | 563–72–4 |
| Ca(C$_3$H$_5$O$_2$)$_2$ | calcium propionate | 4075–81–4 |
| Ca(ClO$_3$)$_2$ | calcium chlorate | 10137–74–3 |
| Ca(ClO$_4$)$_2$ | calcium perchlorate | 13477–36–6 |
| CaCl$_2$ | calcium chloride | 10043–52–4 |
| CaCl$_2$•6H$_2$O | calcium chloride hexahydrate | 7774–34–7 |
| CaCl$_2$O$_2$ | calcium hypochlorite | 7778–54–3 |
| CaCr$_2$O$_7$ | calcium chromate | 14307–33–6 |
| CaF$_2$ | calcium fluoride | 7789–75–5 |
| CaHPO$_4$ | calcium hydrogenorthophosphate | 7757–93–9 |
| CaH$_2$ | calcium hydride | 7789–78–8 |
| Ca(H$_2$PO$_2$)$_2$ | calcium hypophosphite | 7789–79–9 |
| Ca(H$_2$PO$_4$)$_2$ | calcium dihydrogen phosphate monohydrate | 7758–23–8 |
| Ca(IO$_3$)$_2$ | calcium iodate | 7789–80–2 |
| CaI$_2$ | calcium iodide | 10102–68–8 |
| Ca(MnO$_4$)$_2$ | calcium permanganate | 10118–76–0 |
| CaMoO$_4$ | calcium molybdate | 7789–82–4 |
| Ca(NO$_2$)$_2$ | calcium nitrite | 13780–06–8 |
| Ca(NO$_3$)$_2$ | calcium nitrate | 10124–37–5 |
| CaO | calcium oxide | 1305–78–8 |
| Ca(OH)$_2$ | calcium hydroxide | 1305–62–0 |
| CaO$_2$ | calcium peroxide | 1305–79–9 |
| CaRe$_2$O$_8$ | calcium perrhenate | 13768–54–2 |
| CaS | calcium sulfide | 20548–54–3 |
| CaSO$_4$ | calcium sulfate | 7778–18–9 |
| CaSe | calcium selenide | 1305–84–6 |
| CaSiO$_3$ | calcium metasilicate | 1344–95–2 |
| CaSi$_2$ | calcium silicide | 12013–56–8 |
| CaTe | calcium telluride | 12013–57–9 |
| CaTiO$_3$ | calcium titanate | 12049–50–2 |
| CaWO$_4$ | calcium tungstate | 7790–75–2 |
| Ca$_2$P$_2$O$_7$ | calcium pyrophosphate | 7790–76–3 |
| Ca$_2$SiO$_4$ | calcium silicate | 1344–95–2 |
| Ca$_3$(AsO$_4$)$_2$ | calcium arsenate | 7778–44–1 |
| Ca$_3$(C$_6$H$_{15}$O$_7$)$_2$ | calcium citrate | 5785–44–4 |
| Ca$_3$N$_2$ | calcium nitride | 12013–82–0 |
| Ca$_3$(PO$_4$)$_2$ | calcium phosphate | 7758–87–4 |
| Ca$_3$P$_2$ | calcium phosphide | 1305–99–3 |
| CdBr$_2$ | cadmium bromide | 7789–42–6 |
| Cd(CN)$_2$ | cadmium cyanide | 542–83–6 |
| CdCO$_3$ | cadmium carbonate | 513–78–0 |
| Cd(C$_2$H$_3$O$_2$)$_2$ | cadmium acetate | 543–90–8 |
| CdC$_2$O$_4$ | cadmium oxalate | 814–88–0 |
| CdCl$_2$ | cadmium chloride | 10108–64–2 |
| CdCrO$_4$ | cadmium chromate | 14312–00–6 |
| CdF$_2$ | cadmium fluoride | 7790–79–6 |
| Cd(IO$_3$)$_2$ | cadmium iodate | 7790–81–0 |
| CdI$_2$ | cadmium iodide | 7790–80–9 |
| CdMoO$_4$ | cadmium molybdate | 13972–68–4 |
| Cd(NO$_3$)$_2$ | cadmium nitrate | 10325–94–7 |
| Cd(N$_3$)$_2$ | cadmium azide | 14215–29–3 |
| CdO | cadmium oxide | 1306–19–0 |
| Cd(OH)$_2$ | cadmium hydroxide | 21041–95–2 |
| CdS | cadmium sulfide | 1306–23–6 |
| CdSO$_4$ | cadmium sulfate | 10124–36–4 |
| CdSb | cadmium antimonide | 12014–29–8 |
| CdSe | cadmium selenide | 1306–24–7 |
| CdSiO$_3$ | cadmium silicate | 13477–19–5 |
| CdTe | cadmium telluride | 1306–25–8 |
| CdTiO$_4$ | cadmium titanate | 12014–14–1 |
| CdWO$_4$ | cadmium tungstate | 7790–85–4 |
| Cd$_2$Nb$_2$O$_7$ | cadmium niobate | 12187–14–3 |
| Cd$_3$As$_2$ | cadmium arsenide | 12006–15–4 |
| Cd$_3$P$_2$ | cadmium phosphide | 12014–28–7 |
| Cd$_3$N$_2$ | cadmium nitride | 12380–95–9 |
| CeBr$_3$ | cerium(III) bromide | 7790–86–5 |
| Ce(CHO$_2$)$_3$ | cerium(III) formate | 3252–51–5 |
| CeCl$_3$ | cerium(III) chloride | 7790–86–5 |
| CeF$_2$ | cerium(II) fluoride | 22655–57–8 |
| CeF$_3$ | cerium(III) fluoride | 7758–88–5 |
| CeF$_4$ | cerium(IV) fluoride | 10060–10–3 |
| CeH$_2$ | cerium(II) hydride | 13569–50–1 |
| CeI$_2$ | cerium(II) iodide | 19139–47–0 |
| CeI$_3$ | cerium(III) iodide | 7790–87–6 |
| CeN | cerium(III) nitride | 25764–08–3 |
| CeO$_2$ | cerium(IV) oxide | 1306–38–3 |
| CeS | cerium(II) sulfide | 12014–82–3 |
| CeVO$_2$ | cerium(III) vanadate | 13597–19–8 |
| Ce$_2$(C$_2$O$_4$)$_3$ | cerium(III) oxalate | 15750–47–7 |
| Ce$_2$O$_3$ | cerium(III) oxide | 1306–38–3 |
| Ce$_2$S$_3$ | cerium(III) sulfide | 12014–93–6 |
| CfBr$_2$ | californium(II) bromide | 36700–18–2 |
| CfBr$_3$ | californium(III) bromide | 20758–68–3 |
| CfCl$_2$ | californium(II) chloride | 99643–99–9 |
| CfCl$_3$ | californium(III) chloride | 13536–90–8 |
| CfF$_3$ | californium(III) fluoride | 42775–52–0 |
| CfF$_4$ | californium(IV) fluoride | 42845–08–9 |
| CfI$_2$ | californium(II) iodide | 49774–08–5 |
| CfI$_3$ | californium(III) iodide | 20758–81–0 |
| CfO$_2$ | californium(IV) oxide | 12015–10–0 |
| Cf$_2$O$_3$ | californium(III) oxide | 12050–91–8 |
| (CH3)$_2$SO | Dimethyl sulfoxide (DMSO) | 67–68–5 |
| ClF | chlorine monofluoride | 7790–89–8 |
| ClF$_3$ | chlorine trifluoride | 7790–91–2 |
| ClF$_5$ | chlorine pentafluoride | 13637–63–3 |
| ClOClO$_3$ | chlorine perchlorate | 27218–16–2 |
| Cl$_2$O | chlorine monoxide | 7791–21–1 |
| ClO$_2$ | chlorine dioxide | 10049–04–4 |
| Cl$_2$O$_3$ | chlorine trioxide | 17496–59–2 |
| Cl$_2$O$_6$ | chlorine hexoxide | 12442–63–6 |
| Cl$_2$O$_7$ | chlorine heptoxide | 10294–48–1 |
| CmBr$_3$ | curium(III) bromide | 14890–42–7 |
| CmCl$_3$ | curium(III) chloride | 13537–20–7 |
| CmF$_3$ | curium(III) fluoride | 13708–79–7 |
| CmF$_4$ | curium(IV) fluoride | 24311–95–3 |
| CmI$_3$ | curium(III) iodide | 14696–85–6 |
| CmO | curium(II) oxide | 24762–86–5 |
| CmO$_2$ | curium(IV) oxide | 12016–67–0 |
| Cm$_2$O$_3$ | curium(III) oxide | 12371–27–6 |
| CHN | hydrogen cyanide | 74–90–8 |
| CoAl$_2$O$_4$ | cobalt(II) aluminate | 13820–62–7 |
| CoBr$_2$ | cobalt(II) bromide | 7789–43–7 |
| Co(CN)$_2$ | cobalt(II) cyanide | 542–84–7 |
| Co(C$_2$H$_3$O$_2$)$_2$ | cobalt(II) acetate | 71–48–7 |
| Co(C$_2$H$_3$O$_2$)$_2$ | cobalt(II) acetate tetrahydrate | 6147–53–1 |
| CoC$_2$O$_4$ | cobalt(II) oxalate | 814–89–1 |
| Co(C$_{11}$H$_{10}$O$_2$)$_2$ | cobalt(II) naphthenate | 61789–51–3 |
| CoC$_{15}$H$_{21}$O$_6$ | cobalt(III) acetylacetonate | 21679–46–9 |
| Co(ClO$_4$)$_2$ | cobalt(II) perchlorate | 13455–31–7 |
| CoCl$_2$ | cobalt(II) chloride | 7646–79–9 |
| CoCl$_2$•6H$_2$O | cobalt(II) chloride hexahydrate | 7791–13–1 |
| CoCl$_3$ | cobalt(III) chloride | 10241–04–0 |
| CoCrO$_4$ | cobalt(II) chromate | 24613–38–5 |
| CoCr$_2$O$_4$ | cobalt(II) chromite | 13455–25–9 |
| CoF$_2$ | cobalt(II) fluoride | 10026–17–2 |
| CoF$_3$ | cobalt(III) fluoride | 10026–18–3 |
| CoF$_4$ | cobalt(IV) fluoride | 13596–45–7 |
| CoI$_2$ | cobalt(II) iodide | 15238–00–3 |
| Co(IO$_3$)$_2$ | cobalt(II) iodate | 13455–28–2 |
| CoMoO$_4$ | cobalt(II) molybdate | 13762–14–6 |
| Co(NO$_3$)$_2$ | cobalt(II) nitrate | 10141–05–6 |
| Co(NO$_3$)$_2$•6H$_2$O | cobalt(II) nitrate hexahydrate | 10026–22–9 |
| Co(NO$_3$)$_3$ | cobalt(III) nitrate | 15520–84–0 |
| CoO | cobalt(II) oxide | 1307–96–6 |
| Co(OH)$_2$ | cobalt(II) hydroxide | 21041–93–0 |
| Co(OH)$_3$ | cobalt(III) hydroxide | 1307–86–4 |
| CoS | cobalt(II) sulfide | 1317–42–6 |
| CoS$_2$ | cobalt(IV) sulfide | 12013–10–4 |
| CoSe | cobalt(II) selenide | 1307–99–9 |
| CoTe | cobalt(II) telluride | 12017–13–9 |
| CoTiO$_3$ | cobalt(II) titanate | 12017–01–5 |
| CoWO$_4$ | cobalt(II) tungstate | 12640–47–0 |
| Co$_2$O$_3$ | cobalt(III) oxide | 1308–04–9 |
| Co$_2$O$_3$•H$_2$O | cobalt(III) oxide monohydrate | 12016–80–7 |
| CoSO$_4$ | cobalt(II) sulfate | 10124–43–3 |
| Co$_2$S$_3$ | cobalt(III) sulfide | 1332–71–4 |
| Co$_2$SiO$_4$ | cobalt(II) orthosilicate | 12017–08–2 |
| Co$_2$SnO$_4$ | cobalt(II) stannate | 12139–93–4 |
| Co$_2$TiO$_4$ | cobalt(III) titanate | 12017–38–8 |
| Co$_3$(Fe(CN)$_6$)$_2$ | cobalt(II) ferricyanide | 14049–81–1 |
| CrBr$_2$ | chromium(II) bromide | 10049–25–9 |
| CrBr$_3$ | chromium(III) bromide | 10031–25–1 |
| CrBr$_4$ | chromium(IV) bromide | 23098–84–2 |
| Cr(C$_6$H$_4$NO$_2$)$_3$ | chromium(III) picolinate | 14639–25–9 |
| Cr(CO)$_6$ | chromium(VI) carbonyl | 13007–92–6 |
| CrCl$_2$ | chromium(II) chloride | 10049–05–5 |
| CrCl$_3$ | chromium(III) chloride | 10025–73–7 |
| CrCl$_4$ | chromium(IV) chloride | 15597–88–3 |
| CrF$_2$ | chromium(II) fluoride | 10049–10–2 |
| CrF$_3$ | chromium(III) fluoride | 7788–97–8 |
| CrF$_4$ | chromium(IV) fluoride | 10049–11–3 |
| CrF$_5$ | chromium(V) fluoride | 14884–42–5 |
| CrF$_6$ | chromium(VI) fluoride | 13843–28–2 |
| CrI$_2$ | chromium(II) iodide | 13478–28–9 |
| CrI$_3$ | chromium(III) iodide | 13569–75–0 |
| CrI$_4$ | chromium(IV) iodide | 23518–77–6 |
| CrN | chromium(III) nitride | 12053–27–9 |
| Cr(NO$_3$)$_3$ | chromium(III) nitrate | 13548–38–4 |
| CrO$_2$ | chromium(IV) oxide | 12018–01–8 |
| CrO$_3$ | chromium(VI) oxide | 1333–82–0 |
| CrPO$_4$ | chromium(III) phosphate | 7789–04–0 |
| CrSe | chromium(II) selenide | 12053–13–3 |
| CrO$_2$F$_2$ | chromyl fluoride | 7788–96–7 |
| CrO$_2$Cl$_2$ | chromyl chloride | 14977–61–8 |
| Cr$_2$O$_3$ | chromium(III) oxide | 1308–38–9 |
| Cr$_2$(SO$_4$)$_3$ | chromium(III) sulfate | 10101–53–8 |
| Cr$_2$S$_3$ | chromium(III) sulfide | 12018–22–3 |
| Cr$_2$Te$_3$ | chromium(III) telluride | 12053–39–3 |
| Cr$_3$C$_2$ | chromium(II) carbide | 12012–35–0 |
| Cr$_3$O$_4$ | chromium(II,III) oxide | 12018–34–7 |
| CsBO$_2$ | caesium metaborate | 92141–86–1 |
| CsBr | caesium bromide | 7787–69–1 |
| CsBrO$_3$ | caesium bromate | 13454–75–6 |
| CsCN | caesium cyanide | 21159–32–0 |
| CsC$_2$H$_3$O$_2$ | caesium acetate | 3399–17–5 |
| CsCl | caesium chloride | 7647–17–8 |
| CsClO$_3$ | caesium chlorate | 13763–67–2 |
| CsClO$_4$ | caesium perchlorate | 13454–84–7 |
| CsF | caesium fluoride | 13400–13–0 |
| CsH | caesium hydride | 58724–12–2 |
| CsI | caesium iodide | 7789–17–5 |
| CsIO$_3$ | caesium iodate | 13454–81–4 |
| CsIO$_4$ | caesium periodate | 13478–04–1 |
| CsMnO$_4$ | caesium permanganate | 13456–28–5 |
| CsNH$_2$ | caesium amide | 22205–57–8 |
| CsNO$_2$ | caesium nitrite | 13454–83–6 |
| CsNO$_3$ | caesium nitrate | 7789–18–6 |
| CsN$_3$ | caesium azide | 22750–57–8 |
| CsOH | caesium hydroxide | 21351–79–1 |
| CsO$_2$ | caesium superoxide | 12018–61–0 |
| CsVO$_3$ | caesium vanadate | 14644–55–4 |
| Cs$_2$CO$_3$ | caesium carbonate | 534–17–8 |
| Cs$_2$C$_2$O$_4$ | caesium oxalate | 1068–63–9 |
| Cs$_2$CdI$_4$ | caesium tetraiodocadamate | 15683–21–3 |
| Cs$_2$CrO$_4$ | caesium chromate | 56320–90–2 |
| Cs$_2$MoO$_4$ | caesium molybdate | 13597–64–3 |
| Cs$_2$O | caesium oxide | 20281–00–9 |
| Cs$_2$O$_2$ | caesium peroxide | 12053–70–2 |
| Cs$_2$S | caesium sulfide | 12214–16–3 |
| Cs$_2$SO$_4$ | caesium sulfate | 10294–54–9 |
| Cs$_2$Se | caesium selenide | 31052–46–7 |
| Cs$_2$Te | caesium telluride | 12191–06–9 |
| Cs$_2$WO$_4$ | caesium tungstate | 13587–19–4 |
| Cs$_2$ZnI$_4$ | caesium tetraiodozincate | 15158–68–6 |
| Cu(BF$_4$)$_2$ | copper(II) tetrafluoroborate | 14735–84–3 |
| Cu(BO$_2$)$_2$ | copper(II) borate | 393290–85–2 |
| CuBr | copper(I) bromide | 7787–70–4 |
| CuBr$_2$ | copper(II) bromide | 7789–45–9 |
| Cu(CHO$_2$)$_2$ | copper(II) formate | 544–19–4 |
| CuCN | copper(I) cyanide | 544–92–3 |
| Cu(CN)$_2$ | copper(II) cyanide | 14763–77–0 |
| CuC$_2$ | copper(II) acetylide | 1117–94–8 |
| CuC$_2$H$_3$O$_2$ | copper(I) acetate | 598–54–9 |
| Cu(C$_2$H$_3$O$_2$)$_2$ | copper(II) acetate | 142–71–2 |
| CuC$_2$O$_4$ | copper(II) oxalate | 814–91–5 |
| Cu(C$_{16}$H$_{35}$O$_2$)$_2$ | copper(II) stearate | 660–60–6 |
| Cu(C$_{18}$H$_{33}$O$_2$)$_2$ | copper(II) oleate | 1120–44–1 |
| CuCl | copper(I) chloride | 7758–89–6 |
| Cu(ClO$_4$)$_2$ | copper(II) perchlorate | 13770–18–8 |
| CuCl$_2$ | copper(II) chloride | 7447–39–4 |
| CuCl$_2$•2H$_2$O | copper(II) chloride dihydrate | 10125–13–0 |
| CuCrO$_4$ | copper(II) chromate | 13548–42–0 |
| CuF | copper(I) fluoride | 13478–41–6 |
| CuF$_2$ | copper(II) fluoride | 7789–19–7 |
| CuH | copper(I) hydride | 13517–00–5 |
| CuHAsO$_3$ | copper(II) arsenite | 10290–12–7 |
| CuI | copper(I) iodide | 7681–65–4 |
| CuMoO$_4$ | copper(II) molybdate | 13767–34–5 |
| Cu(NO$_3$)$_2$ | copper(II) nitrate | 3251–23–8 |
| CuN$_3$ | copper(I) azide | 14336–80–2 |
| Cu(N$_3$)$_2$ | copper(II) azide | 14215–30–6 |
| CuO | copper(II) oxide | 1317–38–0 |
| Cu(OH)$_2$ | copper(II) hydroxide | 20427–59–2 |
| CuS | copper(II) sulfide | 1317–40–4 |
| CuSCN | copper(I) thiocyanate | 1111–67–7 |
| CuSO$_4$ | copper(II) sulfate | 7758–98–7 |
| CuSe | copper(II) selenide | 1317–41–5 |
| CuTe | copper(II) telluride | 12019–23–7 |
| CuWO$_4$ | copper(II) tungstate | 13587–35–4 |
| Cu$_2$C$_2$ | copper(I) acetylide | 1117–94–8 |
| Cu$_2$Fe(CN)$_6$ | copper(II) ferrocyanide | 13601–13–3 |
| Cu$_2$O | copper(I) oxide | 1317–39–1 |
| Cu$_2$P$_2$O$_7$ | copper(II) pyrophosphate | 10102–90–6 |
| Cu$_2$S | copper(I) sulfide | 22205–45–4 |
| Cu$_2$Se | copper(I) selenide | 20405–64–5 |
| Cu$_2$Te | copper(I) telluride | 12019–52–2 |
| Cu$_3$(AsO$_4$)$_2$ | copper(II) arsenate | 10103–61–4 |

## D

| Chemical formula | Synonyms | CAS number |
| DyB$_4$ | dysprosium(II) boride | 12310–43–9 |
| DyBr$_2$ | dysprosium(II) bromide | 83229–05–4 |
| DyBr$_3$ | dysprosium(III) bromide | 14456–48–5 |
| Dy(CHO$_2$)$_3$ | dysprosium(III) formate | 3252–58–2 |
| DyCl$_2$ | dysprosium(II) chloride | 13767–31–2 |
| DyCl$_3$ | dysprosium(III) chloride | 10025–74–8 |
| DyF$_3$ | dysprosium(III) fluoride | 13569–80–7 |
| DyH$_3$ | dysprosium(III) hydride | 13537–09–2 |
| DyI$_2$ | dysprosium(II) iodide | 36377–94–3 |
| DyI$_3$ | dysprosium(III) iodide | 15474–63–2 |
| DyN | dysprosium(III) nitride | 12019–88–4 |
| DySi$_2$ | dysprosium(II) silicide | 12133–07–2 |
| Dy$_2$O$_3$ | dysprosium(III) oxide | 1308–87–8 |
| Dy$_2$S$_3$ | dysprosium(III) sulfide | 12133–10–7 |

## E

| Chemical formula | Synonyms | CAS number |
| ErB$_4$ | erbium(III) boride | 12310–44–0 |
| ErBr$_3$ | erbium(III) bromide | 13536–73–7 |
| Er(CHO$_2$)$_3$ | erbium(III) formate | 15331–72–3 |
| ErCl$_3$ | erbium(III) chloride | 10138–41–7 |
| ErCl$_3$•6H$_2$O | erbium(III) chloride hexahydrate | 10025–75–9 |
| ErF$_3$ | erbium(III) fluoride | 13760–83–3 |
| ErH$_3$ | erbium(III) hydride | 13550–53–3 |
| ErI$_3$ | erbium(III) iodide | 13813–42–8 |
| ErN | erbium(III) nitride | 12020–21–2 |
| ErNbO$_4$ | erbium(III) niobate | 12061–00–6 |
| ErS | erbium(II) sulfide | 12159–66–9 |
| ErTe | erbium(II) telluride | 12020–39–2 |
| ErVO$_4$ | erbium(III) vanadate | 13596–17–3 |
| Er$_2$O$_3$ | erbium(III) oxide | 12061–16–4 |
| Er$_2$(SO$_4$)$_3$ | erbium(III) sulfate | 13478–49–4 |
| Er$_2$S$_3$ | erbium(III) sulfide | 12159–66–9 |
| Er$_2$Te$_3$ | erbium(III) telluride | 12020–39–2 |
| EsBr$_2$ | einsteinium(II) bromide | 70292–43–2 |
| EsBr$_3$ | einsteinium(III) bromide | 72461–17–7 |
| EsCl$_2$ | einsteinium(II) chloride | 66693–95–6 |
| EsCl$_3$ | einsteinium(III) chloride | 24645–86–1 |
| EsF$_3$ | einsteinium(III) fluoride | 99644–27–6 |
| EsI$_2$ | einsteinium(II) iodide | 70292–44–3 |
| EsI$_3$ | einsteinium(III) iodide | 99644–28–7 |
| Es$_2$O$_3$ | einsteinium(III) oxide | 37362–94–0 |
| EuBr$_2$ | europium(II) bromide | 13780–48–8 |
| EuBr$_3$ | europium(III) bromide | 13759–88–1 |
| Eu(CHO$_2$)$_3$ | europium(III) formate | 3252–55–9 |
| EuCl$_2$ | europium(II) chloride | 13769–20–5 |
| EuCl$_3$ | europium(III) chloride | 10025–76–0 |
| EuF$_2$ | europium(II) fluoride | 14077–39–5 |
| EuF$_3$ | europium(III) fluoride | 13765–25–8 |
| EuI$_2$ | europium(II) iodide | 22015–35–6 |
| EuI$_3$ | europium(III) iodide | 13759–90–5 |
| EuN | europium(III) nitride | 12020–58–5 |
| Eu(NbO$_3$)$_2$ | europium(II) niobate | 55216–32–5 |
| EuS | europium(II) sulfide | 12020–65–4 |
| EuSe | europium(II) selenide | 12020–66–5 |
| EuSi$_2$ | europium(II) silicide | 12434–24–1 |
| EuTe | europium(II) telluride | 12020–69–8 |
| EuVO$_4$ | europium(II) vanadate | 13537–11–6 |
| Eu$_2$O$_3$ | europium(III) oxide | 1308–96–9 |
| Eu$_2$(SO$_4$)$_3$ | europium(III) sulfate | 13537–15–0 |

## F

| Chemical formula | Synonyms | CAS number |
| FNO$_3$ | fluorine nitrate | 7789–26–6 |
| FOClO$_3$ | fluorine perchlorate | 10049–03–3 |
| F$_2$O | fluorine monoxide | 7783–41–7 |
| F$_2$O$_2$ | fluorine dioxide | 7783–44–0 |
| Fe | iron | 7439–89–6 |
| Fe(AlO$_2$)$_2$ | iron(II) aluminate | 12068–49–4 |
| FeAs | iron(III) arsenide | 12044–16–5 |
| FeBr$_2$ | iron(II) bromide | 7789–46–0 |
| FeBr$_3$ | iron(III) bromide | 10031–26–2 |
| FeCO$_3$ | iron(II) carbonate | 563–71–3 |
| Fe(C$_2$H$_3$O$_2$)$_2$ | iron(II) acetate | 3094–87–9 |
| FeCl$_2$ | iron(II) chloride | 7758–94–3 |
| FeCl$_2$•2H$_2$O | iron(II) chloride dihydrate | 16399–77–2 |
| FeCl$_2$•4H$_2$O | iron(II) chloride tetrahydrate | 13478–10–9 |
| FeCl$_3$ | iron(III) chloride | 7705–08–0 |
| FeCl$_3$•6H$_2$O | iron(III) chloride hexahydrate | 10025–77–1 |
| FeCr$_2$O$_4$ | iron chromite | 1308–31–2 |
| FeF$_2$ | iron(II) fluoride | 7789–28–8 |
| FeF$_2$•4H$_2$O | iron(II) fluoride tetrahydrate | 13940–89–1 |
| FeF$_3$ | iron(III) fluoride | 7783–50–8 |
| FeF$_3$•3H$_2$O | iron(III) fluoride trihydrate | 15469–38–2 |
| Fe(H$_2$PO$_2$)$_3$ | iron(III) hypophosphite | 7783–84–8 |
| FeI$_2$ | iron(II) iodide | 7783–86–0 |
| FeI$_3$ | iron(III) iodide | 15600–49–4 |
| FeMoO$_4$ | iron(II) molybdate | 13718–70–2 |
| Fe(NO$_3$)$_2$ | iron(II) nitrate | 14013–86–6 |
| Fe(NO$_3$)$_3$ | ferric nitrate | 10421–48–4 |
| FeO | iron(II) oxide | 1345–25–1 |
| Fe(OH)$_2$ | iron(II) hydroxide | 18624–44–7 |
| Fe(OH)$_3$ | iron(III) hydroxide | 1309–33–7 |
| FePO$_4$ | iron(III) phosphate | 10045–86–0 |
| FeS | iron(II) sulfide | 1317–37–9 |
| FeSO$_4$ | iron(II) sulfate | 7720–78–7 |
| FeSe | iron(II) selenide | 1310–32–3 |
| FeTe | iron(II) telluride | 12125–63–2 |
| FeTiO$_4$ | iron(II) titanate | 12168–52–4 |
| Fe(VO$_3$)$_3$ | iron(III) metavanadate | 65842–03–7 |
| FeWO$_4$ | iron(II) tungstate | 13870–24–1 |
| Fe$_2$(C$_2$O$_4$)$_3$ | iron(III) oxalate | 19469–07–9 |
| Fe$_2$(CrO$_4$)$_3$ | iron(III) chromate | 10294–52–7 |
| Fe$_2$(Cr$_2$O$_7$)$_3$ | iron(III) dichromate | 10294–53–8 |
| Fe$_2$O$_3$ | iron(III) oxide | 1309–37–1 |
| Fe$_2$(SO$_4$)$_3$ | iron(III) sulfate | 10028–22–5 |
| Fe$_2$SiO$_4$ | iron(II) orthosilicate | 10179–73–4 |
| Fe$_3$O$_4$ | iron(II,III) oxide | 1317–61–9 |
| Fe$_3$(PO$_4$)$_2$ | iron(II) phosphate | 14940–41–1 |
| Fe$_4$(Fe(CN)$_6$)$_3$ | iron(III) ferrocyanide | 14038–43–8 |
| Fe$_4$(P$_2$O$_7$)$_3$ | iron(III) pyrophosphate | 10058–44–3 |

## G

| Chemical formula | Synonyms | CAS number |
| GaAs | gallium(III) arsenide | 1303–00–0 |
| GaBr$_3$ | gallium(III) bromide | 13450–88–9 |
| GaCl$_2$ | gallium(II) chloride | 24597–12–4 |
| GaCl$_3$ | gallium trichloride | 13450–90–3 |
| GaF$_3$ | gallium(III) fluoride | 7783–51–9 |
| GaF$_3$•3H$_2$O | gallium(III) fluoride trihydrate | 22886–66–4 |
| GaH$_3$ | gallium(III) hydride | 13572–93–5 |
| GaI$_3$ | gallium(III) iodide | 13450–91–4 |
| GaN | gallium(III) nitride | 25617–97–4 |
| Ga(NO$_3$)$_3$ | gallium(III) nitrate | 13494–90–1 |
| GaO | gallium(II) oxide | 12024–08–7 |
| Ga(OH)$_3$ | gallium(III) hydroxide | 12023–99–3 |
| GaP | gallium(III) phosphide | 12063–98–8 |
| GaS | gallium(II) sulfide | 12024–10–1 |
| GaSb | gallium(III) antimonide | 12064–03–8 |
| GaSe | gallium(II) selenide | 12024–11–2 |
| GaTe | gallium(II) telluride | 12024–14–5 |
| Ga$_2$Cl$_4$ | gallium(I,III) chloride | 24597–12–4 |
| Ga$_2$O | gallium(I) oxide | 12024–20–3 |
| Ga$_2$O$_3$ | gallium(III) oxide | 12024–21–4 |
| Ga$_2$S$_3$ | gallium(III) sulfide | 12024–22–5 |
| Ga$_2$(SO$_4$)$_3$ | gallium(III) sulfate | 13494–91–2 |
| Ga$_2$Se$_3$ | gallium(III) selenide | 12024–24–7 |
| Ga$_2$Te$_3$ | gallium(III) telluride | 12024–27–0 |
| GdBr$_3$ | gadolinium(III) bromide | 13818–75–2 |
| Gd(CHO$_2$)$_3$ | gadolinium(III) formate | 3252–56–0 |
| GdCl$_3$ | gadolinium(III) chloride | 10138–52–0 |
| GdCl$_3$•6H$_2$O | gadolinium(III) chloride hexahydrate | 19423–81–5 |
| GdF$_3$ | gadolinium(III) fluoride | 13765–26–9 |
| GdI$_2$ | gadolinium(II) iodide | 13814–72–7 |
| GdI$_3$ | gadolinium(III) iodide | 13572–98–0 |
| GdN | gadolinium(III) nitride | 25764–15–2 |
| GdSe | gadolinium(II) selenide | 12024–81–6 |
| GdSi$_2$ | gadolinium(II) silicide | 12134–75–7 |
| Gd$_2$O$_3$ | gadolinium(III) oxide | 12064–62–9 |
| Gd$_2$S$_3$ | gadolinium(III) sulfide | 12134–77–9 |
| Gd$_2$Te$_3$ | gadolinium(III) telluride | 12160–99–5 |
| GeBr$_2$ | germanium(II) bromide | 24415–00–7 |
| GeBr$_4$ | germanium(IV) bromide | 13450–92–5 |
| Ge(CH$_3$O)$_4$ | germanium(IV) methoxide | 992–91–6 |
| GeCl$_2$ | germanium(II) chloride | 10060–11–4 |
| GeCl$_4$ | germanium(IV) chloride | 10038–98–9 |
| GeF$_2$ | germanium(II) fluoride | 13940–63–1 |
| GeF$_4$ | germanium(IV) fluoride | 7783–58–6 |
| GeH$_4$ | germanium(IV) hydride | 7782–65–2 |
| GeI$_2$ | germanium(II) iodide | 13573–08–5 |
| GeI$_4$ | germanium(IV) iodide | 13450–95–8 |
| GeO | germanium(II) oxide | 20619–16–3 |
| GeO$_2$ | germanium(IV) oxide | 1310–53–8 |
| GeS | germanium(II) sulfide | 12025–32–0 |
| GeS$_2$ | germanium(IV) sulfide | 12025–34–2 |
| GeSe | germanium(II) selenide | 12065–10–0 |
| GeSe$_2$ | germanium(IV) selenide | 12065–11–1 |
| GeTe | germanium(II) telluride | 12025–39–7 |
| Ge$_3$N$_4$ | germanium(IV) nitride | 12065–36–0 |

## H

| Chemical formula | Synonyms | CAS number |
| H$_2$O | water | 7732–18–5 |
| H$_2$SO$_4$ | sulfuric acid | 7664–93–9 |
| H$_3$BO$_3$ | boric acid | 10043–35–3 |
| HfB$_2$ | hafnium boride | 12007–23–7 |
| HfBr$_4$ | hafnium bromide | 13777–22–5 |
| HfC | hafnium carbide | 12069–85–1 |
| HfCl$_4$ | hafnium chloride | 13499–05–3 |
| HfF$_4$ | hafnium(IV) fluoride | 13709–52–9 |
| HfH$_2$ | hafnium hydride | 12770–26–2 |
| HfI$_3$ | hafnium iodide | 13779–73–2 |
| HfN | hafnium nitride | 25817–87–2 |
| HfO$_2$ | hafnium oxide | 12055–23–1 |
| HfP | hafnium phosphide | 12325–59–6 |
| Hf(SO$_4$)$_2$ | hafnium sulfate | 15823–43–5 |
| HfS$_2$ | hafnium sulfide | 18855–94–2 |
| HfSe$_2$ | hafnium selenide | 12162–21–9 |
| HfSiO$_4$ | hafnium orthosilicate | 13870–13–8 |
| HfSi$_2$ | hafnium silicide | 12401–56–8 |
| HgBr$_2$ | mercury(II) bromide | 7789–47–1 |
| Hg(C$_2$H$_3$O$_2$)$_2$ | mercury(II) acetate | 1600–27–7 |
| HgCl$_2$ | mercury(II) chloride | 7487–94–7 |
| HgCl$_2$O$_8$ | mercury(II) perchlorate | 73491–34–6 |
| HgF$_2$ | mercury(II) fluoride | 7783–39–3 |
| HgH$_2$ | mercury(II) hydride | 72172–67–9 |
| Hg(IO$_3$)$_2$ | mercury(II) iodate | 7783–32–6 |
| HgI$_2$ | mercury(II) iodide | 7774–29–0 |
| Hg(NO$_3$)$_2$ | mercury(II) nitrate | 10045–94–0 |
| HgO | mercury(II) oxide | 21908–53–2 |
| Hg(ONC)$_2$ | mercury(II) fulminate | 628–86–4 |
| HgS | mercury(II) sulfide | 1344–48–5 |
| Hg(SCN)$_2$ | mercury(II) thiocyanate | 592–85–8 |
| HgSO$_4$ | mercury(II) sulfate | 7783–35–9 |
| HgSe | mercury(II) selenide | 20601–83–6 |
| HgTe | mercury(II) telluride | 12068–90–5 |
| Hg$_2$Br$_2$ | mercury(I) bromide | 15385–58–7 |
| Hg$_2$Cl$_2$ | mercury(I) chloride | 10112–91–1 |
| Hg$_2$F$_2$ | mercury(I) fluoride | 1396–75–4 |
| Hg$_2$I$_2$ | mercury(I) iodide | 15385–57–6 |
| Hg$_2$O | mercury(I) oxide | 15829–53–5 |
| HoBr$_3$ | holmium bromide | 13825–76–8 |
| Ho(CHO$_2$)$_3$ | holmium formate | 3252–59–3 |
| HoCl$_3$ | holmium chloride | 10138–62–2 |
| HoF$_3$ | holmium fluoride | 13760–78–6 |
| HoI$_3$ | holmium(III) iodide | 13813–41–7 |
| HoN | holmium nitride | 12029–81–1 |
| HoSi$_2$ | holmium silicide | 12136–24–2 |
| HoVO$_4$ | holmium vanadate | 13977–63–4 |
| Ho$_2$O$_3$ | holmium oxide | 12055–62–8 |
| Ho$_2$S$_3$ | holmium sulfide | 12162–59–3 |

## I

| Chemical formula | Synonyms | CAS number |
| IBr | iodine monobromide | 7789–33–5 |
| ICl | iodine monochloride | 7790–99–0 |
| ICl$_3$ | iodine trichloride | 865–44–1 |
| IF | iodine monofluoride | 13873–84–2 |
| IF$_3$ | iodine(III) fluoride | 22520–96–3 |
| IF$_5$ | iodine pentafluoride | 7783–66–6 |
| IF$_7$ | iodine heptafluoride | 16921–96–3 |
| IN$_3$ | iodine monoazide | 14696–82–3 |
| I$_2$O$_4$ | diiodine tetroxide | 12399–08–5 |
| I$_2$O$_5$ | diiodine pentoxide | 12029–98–0 |
| InAs | indium(III) arsenide | 1303–11–3 |
| InBr | indium(I) bromide | 14280–53–6 |
| InBr$_2$ | indium(II) bromide | 21264–43–7 |
| InBr$_3$ | indium(III) bromide | 13465–09–3 |
| In(C$_2$H$_3$O$_2$)$_3$ | indium(III) acetate | 25114–58–3 |
| InCl | indium(I) chloride | 13465–10–6 |
| InCl$_2$ | indium(II) chloride | 13465–11–7 |
| InCl$_3$ | indium(III) chloride | 10025–82–8 |
| InF | indium(I) fluoride | 74508–07–9 |
| InF$_3$ | indium(III) fluoride | 7783–52–0 |
| InF$_3$•3H$_2$O | indium(III) fluoride trihydrate | 14166–78–0 |
| InF$_3$•9H$_2$O | indium(III) fluoride nonahydrate | 7783–52–0 |
| InH | indium(I) hydride | 13939–13–4 |
| InI | indium(I) iodide | 13465–10–6 |
| InI$_3$ | indium(III) iodide | 13510–35–5 |
| InN | indium(III) nitride | 25617–98–5 |
| In(OH)$_3$ | indium(III) hydroxide | 20661–21–6 |
| InP | indium(III) phosphide | 22398–80–7 |
| InPO$_4$ | indium(III) phosphate | 14693–82–4 |
| InS | indium(II) sulfide | 12030–14–7 |
| InSb | indium(III) antimonide | 1312–41–0 |
| InSe | indium(II) selenide | 1312–42–1 |
| InTe | indium(II) telluride | 12030–19–2 |
| In$_2$I$_4$ | indium(I,III) iodide | 13779–78–7 |
| In$_2$O$_3$ | indium(III) oxide | 1312–43–2 |
| In$_2$(SO$_4$)$_3$ | indium(III) sulfate | 13464–82–9 |
| In$_2$S$_3$ | indium(III) sulfide | 12030–24–9 |
| In$_2$Se$_3$ | indium(III) selenide | 1312–42–1 |
| In$_2$Te$_3$ | indium(III) telluride | 1312–45–4 |
| IrBr$_2$ | iridium(II) bromide | 77791–70–9 |
| IrBr$_3$ | iridium(III) bromide | 10049–24–8 |
| IrBr$_4$ | iridium(IV) bromide | 7789–64–2 |
| IrCl$_2$ | iridium(II) chloride | 13465–17–3 |
| IrCl$_3$ | iridium(III) chloride | 10025–83–9 |
| IrCl$_4$ | iridium(IV) chloride | 10025–97–5 |
| IrF$_3$ | iridium(III) fluoride | 23370–59–4 |
| IrF$_4$ | iridium(IV) fluoride | 37501–24–9 |
| IrF$_5$ | iridium(V) fluoride | 14568–19–5 |
| IrF$_6$ | iridium(VI) fluoride | 7783–75–7 |
| IrI$_2$ | iridium(II) iodide | 19253–38–4 |
| IrI$_3$ | iridium(III) iodide | 7790–41–2 |
| IrI$_4$ | iridium(IV) iodide | 7790–45–6 |
| IrO$_2$ | iridium(IV) oxide | 12030–49–8 |
| IrO$_2$•2H$_2$O | iridium(IV) oxide dihydrate | 30980–84–8 |
| IrS$_2$ | iridium(IV) sulfide | 12030–51–2 |
| IrSe$_2$ | iridium(IV) selenide | 12030–55–6 |
| IrTe$_3$ | iridium(VI) telluride | 12196–62–2 |
| Ir$_2$O$_3$ | iridium(III) oxide | 12030–49–8 |
| Ir$_2$S$_3$ | iridium(III) sulfide | 12136–42–4 |

## K

| Chemical formula | Synonyms | CAS number |
| KAlF$_4$ | potassium tetrafluoroaluminate | 14484–69–6 |
| KAlO$_2$ | potassium aluminate | 12003–63–3 |
| KBF$_4$ | potassium fluoroborate | 14075–53–7 |
| KBr | potassium bromide | 7758–02–3 |
| KBrO$_3$ | potassium bromate | 7758–01–2 |
| KCHF$_3$O$_3$S | potassium trifluoromethanesulfonate | 2926–27–4 |
| KCHO$_2$ | potassium formate | 590–29–4 |
| KCH$_3$O | potassium methoxide | 865–33–8 |
| KCN | potassium cyanide | 151–50–8 |
| KCNO | potassium cyanate | 590–28–3 |
| KC$_2$HO$_4$ | potassium binoxalate | 127–95–7 |
| KC$_2$H$_3$O$_2$ | potassium acetate | 127–08–2 |
| KC$_2$H$_5$O | potassium ethoxide | 917–58–8 |
| KC$_3$H$_5$O$_2$ | potassium propionate | 327–62–8 |
| KC$_3$H$_5$S$_2$O | potassium xanthogenate | 140–89–6 |
| KC$_3$H$_7$NS$_2$ | potassium dimethyldithiocarbamate | 128–03–0 |
| KC$_4$H$_5$O$_6$ | potassium bitartrate | 868–14–4 |
| KC$_7$H$_5$O$_2$ | potassium benzoate | 582–25–2 |
| KCl | potassium chloride | 7447–40–7 |
| KClO$_3$ | potassium chlorate | 3811–04–9 |
| KClO$_4$ | potassium perchlorate | 7778–74–7 |
| K$_2$CuCl$_4$ | potassium tetrachlorocuprate | 13877–24–2 |
| KF | potassium fluoride | 7789–23–3 |
| KH | potassium hydride | 7693–26–7 |
| KHCO$_3$ | potassium bicarbonate | 298–14–6 |
| K(HF$_2$) | potassium bifluoride | 7789–29–9 |
| KHSO$_4$ | potassium bisulfate | 7646–93–7 |
| KH$_2$PO$_4$ | potassium diphosphate | 7778–77–0 |
| KH$_4$B | potassium borohydride | 13762–51–1 |
| KI | potassium iodide | 7681–11–0 |
| KIO$_3$ | potassium iodate | 7758–05–6 |
| KIO$_4$ | potassium periodate | 7790–21–8 |
| KMnO$_4$ | potassium permanganate | 7722–64–7 |
| KNO$_2$ | potassium nitrite | 7758–09–0 |
| KNO$_3$ | potassium nitrate | 7757–79–1 |
| KN$_3$ | potassium azide | 20762–60–1 |
| KNbO$_3$ | potassium niobate | 12030–85–2 |
| KOH | potassium hydroxide | 1310–58–3 |
| KO$_2$ | potassium superoxide | 12030–88–5 |
| KPF$_6$ | potassium hexafluorophosphate | 17084–13–8 |
| KPO$_3$ | potassium metaphosphate | 7790–53–6 |
| KReO$_4$ | potassium perrhenate | 10466–65–6 |
| KRuO$_4$ | potassium perruthenate | 10378–50–4 |
| KSCN | potassium thiocyanate | 333–20–0 |
| KVO$_3$ | potassium metavanadate | 13769–43–2 |
| K$_2$CO$_3$ | potassium carbonate | 584–08–7 |
| K$_2$C$_2$O$_4$ | potassium oxalate | 583–52–8 |
| K$_2$C$_4$H$_6$O$_6$ | potassium tartrate | 921–53–9 |
| K$_2$C$_6$H$_8$O$_4$ | potassium adipate | 19147–16–1 |
| K$_2$CrO$_4$ | potassium chromate | 7789–00–6 |
| K$_2$Cr$_2$O$_7$ | potassium dichromate | 7778–50–9 |
| K$_2$FeO$_4$ | potassium ferrate | 39469–86–8 |
| K$_2$S$_2$O$_3$ | potassium thiosulfate | 10294–66–3 |
| K$_2$O | potassium oxide | 12136–45–7 |
| K$_2$O$_2$ | potassium peroxide | 17014–71–0 |
| K$_2$PdCl$_4$ | potassium tetrachloropalladate | 10025–98–6 |
| K$_2$RuCl$_6$ | potassium hexachlororuthenate | 18746–63–9 |
| K$_2$S | potassium sulfide | 1312–73–8 |
| K$_2$SO$_4$ | potassium sulfate | 7778–80–5 |
| K$_2$S$_2$O$_5$ | potassium metabisulfite | 16731–55–8 |
| K$_2$S$_2$O$_7$ | potassium pyrosulfate | 7790–62–7 |
| K$_2$S$_2$O$_8$ | potassium persulfate | 7727–21–1 |
| K$_2$Se | potassium selenide | 1312–74–9 |
| K$_2$SiF$_6$ | potassium hexafluorosilicate | 16871–90–2 |
| K$_2$SiO$_4$ | potassium silicate | 10006–28–7 |
| K$_2$Te | potassium telluride | 12142–40–4 |
| K$_2$TeO$_3$ | potassium tellurite | 15571–91–2 |
| K$_2$TiF$_6$ | potassium hexafluorotitanate | 16919–27–0 |
| K$_2$ZrF$_6$ | potassium hexafluorozirconate | 16923–95–8 |
| K$_3$AlF$_6$ | potassium hexafluoroaluminate | 13775–52–5 |
| K$_3$(Fe(CN)$_6$) | potassium ferricyanide | 13746–66–2 |
| K$_3$PO$_4$ | potassium phosphate | 7778–53–2 |
| K$_4$P$_2$O$_7$ | potassium pyrophosphate | 7320–34–5 |
| KrF$_2$ | krypton difluoride | 13773–81–4 |

## L

| Chemical formula | Synonyms | CAS number |
| LaAlO$_3$ | lanthanum aluminate | 71496–78–1 |
| LaB$_6$ | lanthanum boride | 12008–21–8 |
| LaBr$_3$ | lanthanum bromide | 13536–79–3 |
| La(CHO$_2$)$_3$ | lanthanum formate | 2081–11–0 |
| LaC$_2$ | lanthanum carbide | 12071–15–7 |
| LaCl$_3$ | lanthanum chloride | 10099–58–8 |
| LaCl$_3$•3H$_2$O | lanthanum chloride trihydrate | 35564–84–2 |
| LaCl$_3$•7H$_2$O | lanthanum chloride heptahydrate | 10025–84–0 |
| LaF$_3$ | lanthanum fluoride | 13709–38–1 |
| LaH$_3$ | lanthanum hydride | 13864–01–2 |
| LaI$_3$ | lanthanum iodide | 13813–22–4 |
| LaN | lanthanum nitride | 25764–10–7 |
| LaNbO$_4$ | lanthanum niobate | 12031–17–3 |
| LaSi$_2$ | lanthanum silicide | 12056–90–5 |
| LaVO$_4$ | lanthanum vanadate | 13939–40–7 |
| La$_2$O$_3$ | lanthanum oxide | 1312–81–8 |
| La$_2$S$_3$ | lanthanum sulfide | 12031–49–1 |
| LiAlH$_4$ | lithium tetrahydridoaluminate | 16853–85–3 |
| LiAlO$_2$ | lithium aluminate | 12003–67–7 |
| LiBF$_4$ | lithium tetrafluoroborate | 14283–07–9 |
| LiBH$_4$ | lithium borohydride | 16949–15–8 |
| LiBO$_2$ | lithium metaborate | 13453–69–5 |
| LiBr | lithium bromide | 7550–35–8 |
| LiCHO$_2$ | lithium formate | 556–63–8 |
| LiCH$_3$O | lithium methoxide | 865–34–9 |
| LiC$_7$H$_5$O$_2$ | lithium benzoate | 553–54–8 |
| LiCl | lithium chloride | 7447–41–8 |
| LiCl•H$_2$O | lithium chloride monohydrate | 16712–20–2 |
| LiClO$_4$ | lithium perchlorate | 7791–03–9 |
| LiF | lithium fluoride | 7789–24–4 |
| LiH | lithium hydride | 7580–67–8 |
| LiI | lithium iodide | 10377–51–2 |
| LiI•3H$_2$O | lithium iodide trihydrate | 7790–22–9 |
| LiN(C$_3$H$_7$)$_2$ | lithium diisopropylamide | 4111–54–0 |
| LiNH$_2$ | lithium amide | 7782–89–0 |
| LiNO$_3$ | lithium nitrate | 7790–69–4 |
| LiN$_3$ | lithium azide | 19597–69–4 |
| LiNbO$_3$ | lithium niobate | 12031–63–9 |
| LiOH | lithium hydroxide | 1310–65–2 |
| LiO$_2$ | lithium superoxide | 12136–56–0 |
| LiPF$_6$ | lithium hexafluorophosphate | 21324–40–3 |
| LiPH$_2$O$_4$ | lithium dihydrogenphosphate | 13453–80–0 |
| LiReO$_4$ | lithium perrhenate | 13768–48–4 |
| LiTaO$_3$ | lithium tantalate | 12031–66–2 |
| LiVO$_3$ | lithium metavanadate | 15060–59–0 |
| Li$_2$B$_4$O$_7$ | lithium borate | 12007–60–2 |
| Li$_2$CO$_3$ | lithium carbonate | 554–13–2 |
| Li$_2$MoO$_4$ | lithium molybdate | 13568–40–6 |
| Li$_2$O | lithium oxide | 12057–24–8 |
| Li$_2$O$_2$ | lithium peroxide | 12031–80–0 |
| Li$_2$S | lithium sulfide | 12136–58–2 |
| Li$_2$SO$_4$ | lithium sulfate | 10377–48–7 |
| Li$_2$Se | lithium selenide | 12136–60–6 |
| Li$_2$SiO$_3$ | lithium metasilicate | 10102–24–6 |
| Li$_2$Te | lithium telluride | 12136–59–3 |
| Li$_2$TiO$_3$ | lithium titanate | 12031–82–2 |
| Li$_2$ZrO$_3$ | lithium zirconate | 51222–70–9 |
| Li$_3$AlF$_6$ | lithium hexafluoroaluminate | 13821–20–0 |
| Li$_3$AsO$_4$ | lithium arsenate | 13478–14–3 |
| Li$_3$C$_6$H$_5$O$_7$ | lithium citrate | 919–16–4 |
| Li$_3$ClO$_4$ | lithium perchlorate | 7791–03–9 |
| Li$_3$N | lithium nitride | 26134–62–3 |
| Li$_3$PO$_4$ | lithium phosphate | 10377–52–3 |
| Li$_3$Sb | lithium antimonide | 12057–30–6 |
| LuB$_4$ | lutetium boride | 12688–52–7 |
| LuBr$_3$ | lutetium bromide | 14456–53–2 |
| LuCl$_3$ | lutetium chloride | 10099–66–8 |
| LuF$_3$ | lutetium fluoride | 13760–81–1 |
| LuI$_3$ | lutetium iodide | 13813–45–1 |
| LuN | lutetium nitride | 12125–25–6 |
| Lu(NO$_3$)$_3$ | lutetium nitrate | 36549–50–5 |
| Lu$_2$O$_3$ | lutetium oxide | 12032–20–1 |
| Lu$_2$S$_3$ | lutetium sulfide | 12163–20–1 |
| Lu$_2$Te$_3$ | lutetium telluride | 12163–22–3 |

## M

| Chemical formula | Synonyms | CAS number |
| MgBr$_2$ | magnesium bromide | 7789–48–2 |
| MgBr$_2$•6H$_2$O | magnesium bromide hexahydrate | 13446–53–2 |
| MgCO$_3$ | magnesium carbonate | 546–93–0 |
| Mg(C$_2$H$_2$O$_2$)$_2$ | magnesium succinate | 556–32–1 |
| MgC$_3$H$_9$O$_6$P | magnesium glycerophosphate | 927–20–8 |
| MgC$_{36}$H$_{70}$O$_4$ | magnesium stearate | 557–04–0 |
| Mg(ClO$_4$)$_2$ | magnesium perchlorate | 10034–81–8 |
| MgCl$_2$ | magnesium chloride | 7786–30–3 |
| MgF$_2$ | magnesium fluoride | 7783–40–6 |
| MgH$_2$ | magnesium hydride | 7693–27–8 |
| MgI$_2$ | magnesium iodide | 10377–58–9 |
| Mg(NO$_3$)$_2$ | magnesium nitrate | 10377–60–3 |
| MgO | magnesium oxide | 1309–48–4 |
| Mg(OH)$_2$ | magnesium hydroxide | 1309–42–8 |
| MgO$_2$ | magnesium peroxide | 1335–26–8 |
| MgS | magnesium sulfide | 12032–36–9 |
| MgSO$_4$ | magnesium sulfate | 7487–88–9 |
| MgSe | magnesium selenide | 1313–04–8 |
| MgSiO$_3$ | magnesium silicate | 14654–06–9 |
| Mg(TcO$_4$)$_2$ | magnesium technetate | 71683–38–0 |
| MgTe | magnesium telluride | 12032–44–9 |
| MgTiO$_3$ | magnesium titanate | 12032–30–3 |
| Mg$_2$Si | magnesium silicide | 22831–39–6 |
| Mg$_3$(AsO$_4$)$_2$ | magnesium arsenate | 10103–50–1 |
| Mg$_3$N$_2$ | magnesium nitride | 12057–71–5 |
| Mg$_3$Sb$_2$ | magnesium antimonide | 12057–75–9 |
| MnBr$_2$ | manganese(II) bromide | 13446–03–2 |
| Mn(C$_2$H$_3$O$_2$)$_2$ | manganese(II) acetate | 638–38–0 |
| MnCO$_3$ | manganese(II) carbonate | 598–62–9 |
| MnCl$_2$ | manganese(II) chloride | 7773–01–5 |
| MnCl$_2$•4H$_2$O | manganese(II) chloride tetrahydrate | 13446–34–9 |
| MnCl$_3$ | manganese(III) chloride | 14690–66–5 |
| MnF$_2$ | manganese(II) fluoride | 7782–64–1 |
| MnF$_3$ | manganese(III) fluoride | 7783–53–1 |
| MnF$_4$ | manganese(IV) fluoride | 15195–58–1 |
| MnI$_2$ | manganese(II) iodide | 7790–33–2 |
| MnI$_2$•4H$_2$O | manganese(II) iodide tetrahydrate | 98716–23–5 |
| Mn(NO$_3$)$_2$ | manganese(II) nitrate | 10377–66–9 |
| MnO | manganese(II) oxide | 1344–43–0 |
| MnO$_2$ | manganese(IV) oxide | 1313–13–9 |
| MnS | manganese(II) sulfide | 18820–29–6 |
| MnSO$_4$ | manganese(II) sulfate | 10034–96–5 |
| MnSb | manganese(III) antimonide | 12032–82–5 |
| MnSe | manganese(II) selenide | 1313–22–0 |
| MnSe$_2$ | manganese(IV) selenide | 12299–98–8 |
| MnTe | manganese(II) telluride | 12032–88–1 |
| MnTe$_2$ | manganese(IV) telluride | 12032–89–2 |
| Mn$_2$O$_3$ | manganese(III) oxide | 1317–34–6 |
| Mn$_2$O$_7$ | manganese(VII) oxide | 12057–92–0 |
| Mn$_3$O$_4$ | manganese(II,III) oxide | 1317–35–7 |
| Mn$_3$(PO$_4$)$_2$ | manganese(II) phosphate | 14154–09–7 |
| MoBr$_2$ | molybdenum(II) bromide | 13446–56–5 |
| MoBr$_3$ | molybdenum(III) bromide | 13446–57–6 |
| MoBr$_4$ | molybdenum(IV) bromide | 13520–59–7 |
| MoC$_6$O$_6$ | molybdenum(III) hexacarbonyl | 13939–06–5 |
| MoCl$_2$ | molybdenum(II) chloride | 13478–17–6 |
| MoCl$_3$ | molybdenum(III) chloride | 13478–18–7 |
| MoCl$_4$ | molybdenum(IV) chloride | 13478–18–7 |
| MoCl$_5$ | molybdenum(V) chloride | 10241–05–1 |
| MoCl$_6$ | molybdenum(VI) chloride | 13706–19–9 |
| MoF$_3$ | molybdenum(III) fluoride | 20193–58–2 |
| MoF$_4$ | molybdenum(IV) fluoride | 23412–45–5 |
| MoF$_5$ | molybdenum(V) fluoride | 13819–84–6 |
| MoF$_6$ | molybdenum(VI) fluoride | 7783–77–9 |
| MoI$_2$ | molybdenum(II) iodide | 14055–74–4 |
| MoI$_3$ | molybdenum(III) iodide | 14055–75–5 |
| MoI$_4$ | molybdenum(IV) iodide | 14055–76–6 |
| MoN | molybdenum(III) nitride | 12033–19–1 |
| MoO | molybdenum(II) oxide | 12058–07–0 |
| MoO$_2$ | molybdenum(IV) oxide | 18868–43–4 |
| MoO$_3$ | molybdenum(VI) oxide | 1313–27–5 |
| MoS$_2$ | molybdenum(IV) sulfide | 1317–33–5 |
| MoSe$_2$ | molybdenum(IV) selenide | 12058–18–3 |
| MoSi$_2$ | molybdenum(IV) silicide | 12136–78–6 |
| MoTe$_2$ | molybdenum(IV) telluride | 12058–20–7 |
| Mo$_2$O$_3$ | molybdenum(III) oxide | 1313–29–7 |
| Mo$_2$O$_5$ | molybdenum(V) oxide | 12163–73–4 |
| Mo$_2$S$_3$ | molybdenum(III) sulfide | 12033–33–9 |

## N

| Chemical formula | Synonyms | CAS number |
| NBr$_3$ | nitrogen tribromide | 15162–90–0 |
| NCl$_3$ | nitrogen trichloride | 10025–85–1 |
| NF$_3$ | nitrogen trifluoride | 7783–54–2 |
| NH$_3$ | ammonia | 7664–41–7 |
| NH$_4$Cl | ammonium chloride | 12125–02–9 |
| NH$_4$HCO$_3$ | ammonium bicarbonate | 1066–33–7 |
| NH$_4$NO$_3$ | ammonium nitrate | 6484–52–2 |
| NH$_4$OH | ammonium hydroxide | 1336–21–6 |
| (NH$_4$)$_2$SO$_4$ | ammonium sulfate | 7783–20–2 |
| NI$_3$ | nitrogen triiodide | 13444–85–4 |
| NO | nitrogen monoxide | 10102–43–9 |
| NO$_2$ | nitrogen dioxide | 10102–44–0 |
| N$_2$ | nitrogen | 7727-37-9 |
| N$_2$F$_2$ | dinitrogen difluoride | 13812–43–6 |
| N$_2$F$_4$ | dinitrogen tetrafluoride | 10036–47–2 |
| N$_2$O | dinitrogen monoxide | 10024–97–2 |
| N$_2$O$_3$ | dinitrogen trioxide | 10544–73–7 |
| N$_2$O$_4$ | dinitrogen tetroxide | 10544–72–6 |
| N$_2$O$_5$ | dinitrogen pentoxide | 10102–03–1 |
| NaAlCl$_4$ | sodium tetracholoraluminate | 7784–16–9 |
| NaAlF$_4$ | sodium tetrafluoroaluminate | 13821–15–3 |
| NaAlO$_2$ | sodium aluminate | 1302–42–7 |
| NaAsO$_2$ | sodium arsenite | 7784–46–5 |
| NaB(C$_6$H$_5$)$_4$ | sodium tetraphenylborate | 143–66–8 |
| NaBF$_4$ | sodium borofluoride | 13755–29–8 |
| NaBH$_3$CN | sodium cyanoborohydride | 25895–60–7 |
| NaBH$_4$ | sodium borohydride | 16940–66–2 |
| NaBiO$_3$ | sodium bismuthate | 12232–99–4 |
| NaBr | sodium bromide | 7647–15–6 |
| NaBrO$_3$ | sodium bromate | 7789–38–0 |
| NaCN | sodium cyanide | 143–33–9 |
| NaCNO | sodium cyanate | 917–61–3 |
| NaCHO$_2$ | sodium formate | 141–53–7 |
| NaCH$_3$O | sodium methoxide | 124–41–4 |
| NaCH$_3$SO$_3$ | sodium formaldehydesulfoxylate | 149–44–0 |
| NaC$_2$H$_3$FO$_2$ | sodium monofluoroacetate | 62–74–8 |
| NaC$_2$H$_3$O$_2$ | sodium acetate | 127–09–3 |
| NaC$_2$H$_3$SO$_3$ | sodium ethenesulfonate | 3039–83–6 |
| NaC$_2$H$_5$O | sodium ethoxide | 141–52–6 |
| NaC$_3$H$_3$O$_2$ | sodium acrylate | 7446–81–3 |
| NaC$_3$H$_5$O$_2$ | sodium propionate | 137–40–6 |
| NaC$_3$H$_5$O$_3$ | sodium lactate | 312–85–6 |
| NaC$_3$H$_6$NO$_3$ | sodium hydromethylglycinate | 70161–44–3 |
| NaC$_4$H$_7$O$_4$ | sodium diacetate | 126–96–5 |
| NaC$_6$H$_6$SO$_3$ | sodium benzosulfonate | 515–42–4 |
| NaC$_7$H$_5$O$_2$ | sodium benzoate | 532–32–1 |
| NaC$_7$H$_8$SO$_3$ | sodium tosylate | 657–84–1 |
| NaC$_8$H$_7$O$_2$ | sodium phenylacetate | 114–70–5 |
| NaC$_8$H$_9$SO$_3$ | sodium xylenesulfonate | 1300–72–7 |
| NaC$_8$H$_{15}$O$_2$ | sodium caprylate | 1984–06–1 |
| NaC$_{18}$H$_{36}$O$_2$ | sodium stearate | 822–16–2 |
| NaCl | sodium chloride | 7647–14–5 |
| NaClO | sodium hypochlorite | 7681–52–9 |
| NaClO$_2$ | sodium chlorite | 7758–19–2 |
| NaClO$_3$ | sodium chlorate | 7775–09–9 |
| NaClO$_4$ | sodium perchlorate | 7601–89–0 |
| NaF | sodium fluoride | 7681–49–4 |
| NaH | sodium hydride | 7646–69–7 |
| NaHCO$_3$ | sodium bicarbonate | 144–55–8 |
| NaHF$_2$ | sodium bifluoride | 1333–83–1 |
| NaHS | sodium bisulfide | 16721–80–5 |
| NaHSO$_3$ | sodium bisulfite | 7631–90–5 |
| NaI | sodium iodide | 7681–82–5 |
| NaIO$_3$ | sodium iodate | 7681–55–2 |
| NaIO$_4$ | sodium periodate | 7790–28–5 |
| NaNH$_2$ | sodium amide | 7782–92–5 |
| NaNO$_2$ | sodium nitrite | 7632–00–0 |
| NaNO$_3$ | sodium nitrate | 7631–99–4 |
| NaN$_3$ | sodium azide | 26628–22–8 |
| NaNbO$_3$ | sodium niobate | 12034–09–2 |
| NaOH | sodium hydroxide | 1310–73–2 |
| NaO$_2$ | sodium superoxide | 12034–12–7 |
| NaPF$_6$ | sodium hexafluorophosphate | 21324–39–0 |
| NaPO$_3$ | sodium polyphosphate | 50813–16–6 |
| (NaPO$_3$)$_6$ | sodium hexametaphosphate | 10124–56–8 |
| NaReO$_4$ | sodium perrhenate | 13472–33–8 |
| NaSCN | sodium thiocyanate | 540–72–7 |
| NaSbO$_3$ | sodium antimonate | 15432–85–6 |
| NaVO$_3$ | sodium metavanadate | 13718–26–8 |
| Na$_2$B$_4$O$_7$ | sodium tetraborate | 1330–43–4 |
| Na$_2$CO$_3$ | sodium carbonate | 497–19–8 |
| Na$_2$C$_3$H$_2$O$_4$ | sodium malonate | 141–95–7 |
| Na$_2$C$_4$H$_6$O$_6$ | sodium tartrate | 6106–24–7 |
| Na$_2$C$_6$H$_8$O$_4$ | sodium adipate | 7486–38–6 |
| Na$_2$CrO$_4$ | sodium chromate | 7775–11–3 |
| Na$_2$FPO$_3$ | sodium fluorophosphate | 10163–15–2 |
| Na$_2$H$_2$S$_2$O$_6$ | sodium dithionate | 7631–94–9 |
| Na$_2$MoO$_4$ | sodium molybdate | 7631–95–0 |
| Na$_2$O | sodium oxide | 1313–59–3 |
| Na$_2$O$_2$ | sodium peroxide | 1313–60–6 |
| Na$_2$S | sodium sulfide | 1313–82–2 |
| Na$_2$S•5H$_2$O | sodium sulfide pentahydrate | 1313–83–3 |
| Na$_2$S•9H$_2$O | sodium sulfide nonahydrate | 1313–84–4 |
| Na$_2$SO$_3$ | sodium sulfite | 7757–83–7 |
| Na$_2$SO$_4$ | sodium sulfate | 7757–82–6 |
| Na$_2$S$_2$O$_3$ | sodium thiosulfate | 7772–98–7 |
| Na$_2$S$_2$O$_4$ | sodium dithionite | 7775–14–6 |
| Na$_2$S$_2$O$_5$ | sodium metabisulfite | 7681–57–4 |
| Na$_2$S$_2$O$_7$ | sodium pyrosulfate | 13870–29–6 |
| Na$_2$S$_2$O$_8$ | sodium persulfate | 7775–27–1 |
| Na$_2$Se | sodium selenide | 1313–85–5 |
| Na$_2$SeO$_3$ | sodium selenite | 10102–18–8 |
| Na$_2$SeO$_4$ | sodium selenate | 13410–01–0 |
| Na$_2$SiF$_6$ | sodium fluorosilicate | 16893–85–9 |
| Na$_2$SiO$_3$ | sodium silicate | 6834–92–0 |
| Na$_2$SnO$_3$ | sodium stannate | 12058–66–1 |
| Na$_2$Te | sodium telluride | 12034–41–2 |
| Na$_2$Ti$_3$O$_7$ | sodium metatitanate | 12034–36–5 |
| Na$_2$WO$_4$ | sodium tungstate | 13472–45–2 |
| Na$_3$AlF$_6$ | sodium hexafluoroaluminate | 13775–53–6 |
| Na$_3$Co(NO$_2$)$_6$ | sodium cobaltnitrite | 14649–73–1 |
| Na$_3$PO$_4$ | sodium phosphate | 7601–54–9 |
| Na$_3$Sb | sodium antimonide | 12058–86–5 |
| Na$_3$SbS$_4$ | sodium thioantimonide | 13776–84–6 |
| Na$_3$VO$_4$ | sodium vanadate | 13721–39–6 |
| Na$_4$C$_4$H$_4$O$_6$ | sodium tartrate | 868–18–8 |
| Na$_4$FeC$_6$N$_6$ | sodium ferrocyanide | 13601–19–9 |
| Na$_4$P$_2$O$_7$ | sodium pyrophosphate | 7722–88–5 |
| Na$_4$SiO$_4$ | sodium orthosilicate | 1344–09–8 |
| Na$_5$P$_3$O$_{10}$ | sodium tripolyphosphate | 7758–29–4 |
| NbBr$_3$ | niobium(III) bromide | 15752–41–7 |
| NbBr$_4$ | niobium(IV) bromide | 13842–75–6 |
| NbBr$_5$ | niobium(V) bromide | 13478–45–0 |
| NbC | niobium(IV) carbide | 12069–94–2 |
| NbCl$_3$ | niobium(III) chloride | 13569–59–0 |
| NbCl$_4$ | niobium(IV) chloride | 13569–70–5 |
| NbCl$_5$ | niobium(V) chloride | 10026–12–7 |
| NbF$_3$ | niobium(III) fluoride | 15195–53–6 |
| NbF$_4$ | niobium(IV) fluoride | 13842–88–1 |
| (NbF$_5$)$_4$ | niobium(V) fluoride | 7783–68–8 |
| NbI$_3$ | niobium(III) iodide | 13870–20–7 |
| NbI$_4$ | niobium(IV) iodide | 13870–21–8 |
| NbI$_5$ | niobium(V) iodide | 13779–92–5 |
| NbN | niobium(III) nitride | 24621–21–4 |
| NbO | niobium(II) oxide | 12034–57–0 |
| NbO$_2$ | niobium(IV) oxide | 12034–59–2 |
| NbS$_2$ | niobium(IV) sulfide | 12136–97–9 |
| NbSe$_2$ | niobium(IV) selenide | 12034–77–4 |
| NbSe$_3$ | niobium(VI) selenide | 12034–78–5 |
| NbTe$_2$ | niobium(IV) telluride | 12034–83–2 |
| Nb$_2$O$_5$ | niobium(V) oxide | 1313–96–8 |
| Nd(CH$_3$COO)$_3$ | neodymium acetate | 6192–13–8 |
| NdBr$_2$ | neodymium(II) bromide | 59325–04–1 |
| NdBr$_3$ | neodymium(III) bromide | 13536–80–6 |
| Nd(CHO$_2$)$_3$ | neodymium(III) formate | 3252–53–7 |
| NdCl$_2$ | neodymium(II) chloride | 25469–93–6 |
| NdCl$_3$ | neodymium(III) chloride | 10024–93–8 |
| NdF$_3$ | neodymium(III) fluoride | 13709–42–7 |
| NdGaO$_3$ | neodymium(III) gallate | 12207–22–6 |
| NdI$_2$ | neodymium(II) iodide | 61393–36–0 |
| NdI$_3$ | neodymium(III) iodide | 13813–24–6 |
| NdN | neodymium(III) nitride | 25764–11–8 |
| Nd(NO$_3$)$_3$ | neodymium(III) nitrate | 10045–95–1 |
| NdS | neodymium(II) sulfide | 12035–22–2 |
| NdSe | neodymium(II) selenide | 12035–24–4 |
| NdTe | neodymium(II) telluride | 12060–53–6 |
| NdVO$_4$ | neodymium(III) vanadate | 13721–46–5 |
| Nd$_2$O$_3$ | neodymium(III) oxide | 1313–97–9 |
| Nd$_2$S$_3$ | neodymium(III) sulfide | 12035–32–4 |
| Nd$_2$Te$_3$ | neodymium(III) telluride | 12035–35–7 |
| NiAs | nickel(II) arsenide | 27016–75–7 |
| Ni(BF$_4$)$_2$ | nickel(II) fluoroborate | 14708–14–6 |
| NiBr$_2$ | nickel(II) bromide | 13462–88–9 |
| Ni(CN)$_2$ | nickel(II) cyanide | 557–19–7 |
| NiCO$_3$ | nickel(II) carbonate | 3333–67–3 |
| Ni(CO)$_4$ | nickel(II) carbonyl | 13463–39–3 |
| Ni(C$_2$H$_3$O$_2$)$_2$ | nickel(II) acetate | 373–02–4 |
| NiCl$_2$ | nickel(II) chloride | 7718–54–9 |
| NiCl$_2$•6H$_2$O | nickel(II) chloride hexahydrate | 7791–20–0 |
| NiCrO$_4$ | nickel(II) chromate | 14721–18–7 |
| NiF$_2$ | nickel(II) fluoride | 10028–18–9 |
| NiI$_2$ | nickel(II) iodide | 13462–90–3 |
| Ni(NO$_3$)$_2$ | nickel(II) nitrate | 13138–45–9 |
| NiO | nickel(II) oxide | 1313–99–1 |
| Ni(OH)$_2$ | nickel(II) hydroxide | 12054–48–7 |
| NiS | nickel(II) sulfide | 16812–54–7 |
| NiSO$_4$ | nickel(II) sulfate | 7786–81–4 |
| NiSb | nickel(II) antimonide | 12035–52–8 |
| NiSe | nickel(II) selenide | 1314–05–2 |
| NiSnO$_3$ | nickel(II) stannate | 12035–38–0 |
| NiTe | nickel(II) telluride | 12142–88–0 |
| NiTiO$_3$ | nickel(II) titanate | 12035–39–1 |
| NiWO$_4$ | nickel(II) tungstate | 14177–51–6 |
| NiZrO$_3$ | nickel(II) zirconate | 70692–93–2 |
| Ni$_2$B | nickel(III) boride | 12007–01–1 |
| Ni$_2$O$_3$ | nickel(III) oxide | 1314–06–3 |
| Ni$_3$B | nickel(II) boride | 12007–02–2 |
| Ni$_3$S$_2$ | nickel(III) sulfide | 12035–72–2 |
| NpBr$_3$ | neptunium(III) bromide | 20730–39–6 |
| NpBr$_4$ | neptunium(IV) bromide | 15608–32–9 |
| NpCl$_3$ | neptunium(III) chloride | 20737–06–8 |
| NpCl$_4$ | neptunium(IV) chloride | 15597–84–9 |
| NpF$_3$ | neptunium(III) fluoride | 16852–37–2 |
| NpF$_4$ | neptunium(IV) fluoride | 14529–88–5 |
| NpF$_5$ | neptunium(V) fluoride | 31479–18–2 |
| NpF$_6$ | neptunium(VI) fluoride | 14521–05–2 |
| NpI$_3$ | neptunium(III) iodide | 37501–52–3 |
| NpN | neptunium(III) nitride | 12058–90–1 |
| NpO | neptunium(II) oxide | 12202–03–8 |
| NpO$_2$ | neptunium(IV) oxide | 12035–79–9 |
| Np$_2$O$_5$ | neptunium(V) oxide | 121433–01–0 |
| Np$_2$S$_3$ | neptunium(III) sulfide | 12281–24–2 |

## O

| Chemical formula | Synonyms | CAS number |
| OF$_2$ | oxygen(II) fluoride | 7783–41–7 |
| O$_2$F$_2$ | oxygen(I) fluoride | 7783–44–0 |
| OsBr$_3$ | osmium(III) bromide | 59201–51–3 |
| OsBr$_4$ | osmium(IV) bromide | 59201–52–4 |
| Os(C$_5$H$_5$)$_2$ | osmium(II) cyclopentadienide | 1273–81–0 |
| OsCl$_3$ | osmium(III) chloride | 13444–93–4 |
| OsCl$_3$•3H$_2$O | osmium(III) chloride trihydrate | 114268–63–2 |
| OsCl$_4$ | osmium(IV) chloride | 10026–01–4 |
| OsCl$_5$ | osmium(V) chloride | 71328–74–0 |
| OsF$_4$ | osmium(IV) fluoride | 54120–05–7 |
| (OsF$_5$)$_4$ | osmium(V) fluoride | 31576–40–6 |
| OsF$_6$ | osmium(VI) fluoride | 13768–38–2 |
| OsF$_7$ | osmium(VII) fluoride | 16949–69–2 |
| OsF$_8$ | osmium(VIII) fluoride | 18432–81–0 |
| OsI | osmium(I) iodide | 76758–38–8 |
| OsI$_2$ | osmium(II) iodide | 59201–57–9 |
| OsI$_3$ | osmium(III) iodide | 59201–58–0 |
| OsO$_2$ | osmium(IV) oxide | 12036–02–1 |
| OsO$_4$ | osmium(VIII) oxide | 20816–12–0 |
| OsS$_2$ | osmium(IV) sulfide | 12137–61–0 |
| OsSe$_2$ | osmium(IV) selenide | 12310–19–9 |
| OsTe$_2$ | osmium(IV) telluride | 12166–21–1 |

## P

| Chemical formula | Synonyms | CAS number |
| PBr$_3$ | phosphorus tribromide | 7789–60–8 |
| PBr$_5$ | phosphorus pentabromide | 7789–69–7 |
| PCl$_3$ | phosphorus trichloride | 7719–12–2 |
| PCl$_5$ | phosphorus pentachloride | 10026–13–8 |
| PF$_3$ | phosphorus trifluoride | 7783–55–3 |
| PF$_5$ | phosphorus pentafluoride | 7647–19–0 |
| PH$_3$ | phosphorus trihydride | 7803–51–2 |
| PI$_3$ | phosphorus triiodide | 13455–01–1 |
| POBr$_3$ | phosphorus oxybromide | 7789–59–5 |
| POCl$_3$ | phosphorus oxychloride | 10025–87–3 |
| PSCl$_3$ | phosphorus thiochloride | 3982–91–0 |
| P$_2$Br$_4$ | phosphorus tetrabromide | 24856–99–3 |
| P$_2$Cl$_4$ | phosphorus tetrachloride | 13497–91–1 |
| P$_2$F$_4$ | phosphorus tetrafluoride | 13824–74–3 |
| P$_2$H$_4$ | phosphorus tetrahydride | 13445–50–6 |
| P$_2$I$_4$ | phosphorus tetraiodide | 13455–00–0 |
| P$_2$O$_5$ | phosphorus pentoxide | 1314–56–3 |
| P$_4$O$_6$ | phosphorus hexoxide | 12440–00–5 |
| P$_4$O$_{10}$ | phosphorus decaoxide | 16752–60–6 |
| P$_4$S$_3$ | phosphorus trisulfide | 1314–51–8 |
| P$_4$S$_4$ | phosphorus tetrasulfide | 39350–99–7 |
| P$_4$S$_6$ | phosphorus hexasulfide | 131105–01–6 |
| P$_4$S$_7$ | phosphorus heptasulfide | 15578–16–2 |
| P$_4$S$_9$ | phosphorus nonasulfide | 25070–46–6 |
| P$_4$S$_{10}$ | phosphorus pentasulfide | 1314–80–3 |
| P$_4$Se$_3$ | phosphorus triselenide | 1314–86–9 |
| PaBr$_4$ | protactinium(IV) bromide | 13867–42–0 |
| PaBr$_5$ | protactinium(V) bromide | 15608–38–5 |
| PaCl$_4$ | protactinium(IV) chloride | 13867–41–9 |
| PaCl$_5$ | protactinium(V) chloride | 13760–41–3 |
| PaF$_4$ | protactinium(IV) fluoride | 13842–89–2 |
| PaF$_5$ | protactinium(V) fluoride | 15192–29–7 |
| PaI$_3$ | protactinium(III) iodide | 19415–71–5 |
| PaI$_4$ | protactinium(IV) iodide | 15513–96–9 |
| PaI$_5$ | protactinium(V) iodide | 17497–66–4 |
| PaO | protactinium(II) oxide | 60936–60–9 |
| PaO$_2$ | protactinium(IV) oxide | 12036–03–2 |
| Pa$_2$O$_5$ | protactinium(V) oxide | 12036–75–8 |
| Pb(AsO$_4$)$_2$ | lead(II) arsenite | 10031–13–7 |
| Pb(BF$_4$)$_2$ | lead(II) fluoroborate | 13814–96–5 |
| PbBr$_2$ | lead(II) bromide | 10031–22–8 |
| PbBr$_4$ | lead(IV) bromide | 13701–91–2 |
| Pb(CHO$_2$)$_2$ | lead(II) formate | 811–54–1 |
| Pb(CN)$_2$ | lead(II) cyanide | 592–05–2 |
| PbCO$_3$ | lead(II) carbonate | 598–63–0 |
| Pb(C$_2$H$_3$O$_2$)$_2$ | lead(II) acetate | 301–04–2 |
| Pb(C$_2$H$_3$O$_2$)$_2$ | lead(III) acetate | 546–67–8 |
| PbC$_2$O$_4$ | lead(II) oxalate | 814–93–7 |
| Pb(C$_3$H$_5$O$_2$)$_2$ | lead(II) lactate | 18917–82–3 |
| Pb(C$_4$H$_7$O$_2$)$_2$ | lead(II) butanoate | 819–73–8 |
| Pb(C$_{18}$H$_{33}$O$_2$)$_2$ | lead(II) oleate | 1120–46–3 |
| Pb(C$_{18}$H$_{35}$O$_2$)$_2$ | lead(II) stearate | 1072–35–1 |
| Pb(ClO$_3$)$_2$ | lead(II) chlorate | 10294–47–0 |
| Pb(ClO$_4$)$_2$ | lead(II) perchlorate | 13453–62–8 |
| PbCl$_2$ | lead(II) chloride | 7758–95–4 |
| PbCl$_4$ | lead(IV) chloride | 13463–30–4 |
| PbCrO$_4$ | lead(II) chromate | 7758–97–6 |
| PbF$_2$ | lead(II) fluoride | 7783–46–2 |
| PbF$_4$ | lead(IV) fluoride | 7783–59–7 |
| Pb(H$_2$PO$_2$)$_2$ | lead(II) hypophosphite | 10294–58–3 |
| PbH$_4$ | lead(IV) hydride | 15875–18–0 |
| Pb(IO$_3$)$_2$ | lead(II) iodate | 25659–31–8 |
| PbI$_2$ | lead(II) iodide | 10101–63–0 |
| PbMoO$_4$ | lead(II) molybdate | 10190–55–3 |
| Pb(NO$_3$)$_2$ | lead(II) nitrate | 10099–74–8 |
| Pb(NbO$_3$)$_2$ | lead(II) niobate | 12034–88–7 |
| PbO | lead(II) oxide | 1317–36–8 |
| Pb(OH)$_2$ | lead(II) hydroxide | 19783–14–3 |
| PbO$_2$ | lead(IV) oxide | 1309–60–0 |
| PbS | lead(II) sulfide | 1314–87–0 |
| Pb(SCN)$_2$ | lead(II) thiocyanate | 592–87–0 |
| PbSO$_3$ | lead(II) sulfite | 7446–10–8 |
| PbSO$_4$ | lead(II) sulfate | 7446–14–2 |
| PbSe | lead(II) selenide | 12069–00–0 |
| PbSeO$_3$ | lead(II) selenite | 7488–51–9 |
| PbSeO$_4$ | lead(II) selenate | 7446–15–3 |
| PbSiO$_3$ | lead(II) metasilicate | 10099–76–0 |
| PbTa$_2$O$_6$ | lead(II) tantalate | 12065–68–8 |
| PbTe | lead(II) telluride | 1314–91–6 |
| PbTiO$_4$ | lead(II) titanate | 12060–00–3 |
| Pb(VO$_3$)$_2$ | lead(II) metavandate | 10099–79–3 |
| PbWO$_4$ | lead(II) tungstate | 7759–01–5 |
| PbZrO$_3$ | lead(II) zirconate | 12060–01–4 |
| Pb$_2$O$_3$ | lead(II,IV) oxide | 1314–27–8 |
| Pb$_2$SiO$_4$ | lead(II) orthosilicate | 13566–17–1 |
| Pb$_3$(AsO$_4$)$_2$ | lead(II) arsenate | 3687–31–8 |
| Pb$_3$(N$_3$)$_2$ | lead(II) azide | 13424–46–9 |
| Pb$_3$O$_4$ | lead(II,II,IV) oxide | 1314–41–6 |
| Pb$_3$(PO$_4$)$_2$ | lead(II) phosphate | 7446–27–7 |
| Pb$_3$(SbO$_4$)$_2$ | lead(II) antimonate | 13510–89–9 |
| PdBr$_2$ | palladium(II) bromide | 13444–94–5 |
| Pd(CN)$_2$ | palladium(II) cyanide | 2035–66–7 |
| Pd(C$_2$F$_3$O$_2$)$_2$ | palladium(II) trifluoroacetate | 42196–31–6 |
| Pd(C$_2$H$_3$O$_2$)$_2$ | palladium(II) acetate | 3375–31–3 |
| PdCl$_2$ | palladium(II) chloride | 7647–10–1 |
| PdF$_2$ | palladium(II) fluoride | 13444–96–7 |
| PdF$_4$ | palladium(IV) fluoride | 13709–55–2 |
| PdI$_2$ | palladium(II) iodide | 7790–38–7 |
| Pd(NO$_3$)$_2$ | palladium(II) nitrate | 10102–05–3 |
| PdO | palladium(II) oxide | 1314–08–5 |
| PdO$_2$ | palladium(IV) oxide | 12036–04–3 |
| PdS | palladium(II) sulfide | 12125–22–3 |
| PdSO$_4$ | palladium(II) sulfate | 13566–03–5 |
| PdS$_2$ | palladium disulfide | 12137–75–6 |
| PdSe | palladium(II) selenide | 12137–76–7 |
| PdSe$_2$ | palladium(IV) selenide | 60672–19–7 |
| PdTe | palladium(II) telluride | 12037–94–4 |
| PdTe$_2$ | palladium(IV) telluride | 12037–95–5 |
| PmBr$_3$ | promethium(III) bromide | 14325–78–1 |
| PmCl$_3$ | promethium(III) chloride | 13779–10–7 |
| Pm$_2$O$_3$ | promethium(III) oxide | 12036–32–7 |
| PrBr$_3$ | praseodymium(III) bromide | 13536–53–3 |
| Pr(CHO$_2$)$_3$ | praseodymium(III) formate | 3252–52–6 |
| PrCl$_3$ | praseodymium(III) chloride | 10361–79–2 |
| PrF$_2$ | praseodymium(II) fluoride | 59513–11–0 |
| PrF$_3$ | praseodymium(III) fluoride | 13709–46–1 |
| PrF$_4$ | praseodymium(IV) fluoride | 15192–24–2 |
| PrI$_2$ | praseodymium(II) iodide | 65530–47–4 |
| PrI$_3$ | praseodymium(III) iodide | 13813–23–5 |
| PrN | praseodymium(III) nitride | 25764–09–4 |
| PrO$_2$ | praseodymium(IV) oxide | 12036–05–4 |
| PrS | praseodymium(II) sulfide | 12038–06–1 |
| PrSe | praseodymium(II) selenide | 12038–08–3 |
| PrTe | praseodymium(II) telluride | 12125–60–9 |
| Pr$_2$O$_3$ | praseodymium(III) oxide | 12036–32–7 |
| Pr$_2$S$_3$ | praseodymium(III) sulfide | 12038–13–0 |
| Pr$_2$Te$_3$ | praseodymium(III) telluride | 12038–12–9 |
| PtBr$_2$ | platinum(II) bromide | 13455–12–4 |
| PtBr$_3$ | platinum(III) bromide | 25985–07–3 |
| PtBr$_4$ | platinum(IV) bromide | 68938–92–1 |
| Pt(CN)$_2$ | platinum(II) cyanide | 592–06–3 |
| PtCl$_2$ | platinum(II) chloride | 10025–65–7 |
| PtCl$_3$ | platinum(III) chloride | 25909–39–1 |
| PtCl$_4$ | platinum(IV) chloride | 13454–96–1 |
| PtCl$_4$•5H$_2$O | platinum(IV) chloride pentaahydrate | 15869–63–3 |
| PtF$_4$ | platinum(IV) fluoride | 13455–15–7 |
| PtF$_5$ | platinum(V) fluoride | 13782–84–8 |
| PtF$_6$ | platinum(VI) fluoride | 13693–05–5 |
| PtI$_2$ | platinum(II) iodide | 7790–39–8 |
| PtI$_3$ | platinum(III) iodide | 68220–29–1 |
| PtI$_4$ | platinum(IV) iodide | 7790–46–7 |
| PtO | platinum(II) oxide | 12035–82–4 |
| PtO$_2$ | platinum(IV) oxide | 1314–15–4 |
| PtO$_2$•H$_2$O | platinum(IV) oxide monohydrate | 12137–21–2 |
| PtS | platinum(II) sulfide | 12038–20–9 |
| PtS$_2$ | platinum(IV) sulfide | 12038–21–0 |
| PtSe$_2$ | platinum(IV) selenide | 12038–26–5 |
| PtTe | platinum(II) telluride | 12166–00–6 |
| PtTe$_2$ | platinum(IV) telluride | 12038–29–8 |
| Pt$_6$Cl$_{12}$ | platinum(II) chloride | 10025–65–7 |
| PuBr$_3$ | plutonium(III) bromide | 15752–46–2 |
| PuCl$_3$ | plutonium(III) chloride | 13569–62–5 |
| PuF$_3$ | plutonium(III) fluoride | 13842–83–6 |
| PuF$_4$ | plutonium(IV) fluoride | 13709–56–3 |
| PuF$_6$ | plutonium(VI) fluoride | 13693–06–6 |
| PuH$_2$ | plutonium(II) hydride | 17336–52–6 |
| PuH$_3$ | plutonium(III) hydride | 15457–77–9 |
| PuI$_3$ | plutonium(III) iodide | 13813–46–2 |
| PuN | plutonium(III) nitride | 12033–54–4 |
| PuO | plutonium(II) oxide | 12035–83–5 |
| PuO$_2$ | plutonium(IV) oxide | 12059–95–9 |
| PuS | plutonium(II) sulfide | 12038–51–6 |
| PuS$_2$ | plutonium(IV) sulfide | 12038–56–1 |
| PuSe | plutonium(II) selenide | 23299–88–9 |
| Pu$_2$O$_3$ | plutonium(III) oxide | 12036–34–9 |

## R

| Chemical formula | Synonyms | CAS number |
| RaBr$_2$ | radium bromide | 10031–23–9 |
| RaCO$_3$ | radium carbonate | 7116–98–5 |
| RaCl$_2$ | radium chloride | 10025–66–8 |
| RaF$_2$ | radium fluoride | 20610–49–5 |
| RaI$_2$ | radium iodide | 20610–52–0 |
| RaNO$_3$ | radium nitrate | 10213–12–4 |
| RaO | radium oxide | 12143–02–1 |
| Ra(OH)$_2$ | radium hydroxide | 98966–86–0 |
| RaSO$_4$ | radium sulfate | 7446–16–4 |
| RbAlCl$_4$ | rubidium tetrachloroaluminate | 17992–02–8 |
| RbAlF$_4$ | rubidium tetrafluoroaluminate | 14484–70–9 |
| RbBr | rubidium bromide | 7789–39–1 |
| RbC$_2$H$_3$O$_2$ | rubidium acetate | 563–67–7 |
| RbC$_5$H$_7$O$_2$ | rubidium acetylacetonate | 66169–93–5 |
| RbCl | rubidium chloride | 7791–11–9 |
| RbF | rubidium fluoride | 13446–74–7 |
| RbH | rubidium hydride | 13446–75–8 |
| RbI | rubidium iodide | 7790–29–6 |
| RbIO$_3$ | rubidium iodate | 13446–76–9 |
| RbIO$_4$ | rubidium periodate | 13465–48–0 |
| RbNO$_3$ | rubidium nitrate | 13126–12–0 |
| RbOH | rubidium hydroxide | 1310–82–3 |
| RbO$_2$ | rubidium superoxide | 12137–25–6 |
| Rb$_2$O | rubidium oxide | 18088–11–4 |
| Rb$_2$O$_2$ | rubidium peroxide | 23611–30–5 |
| Rb$_2$S | rubidium sulfide | 31083–74–6 |
| Rb$_2$Se | rubidium selenide | 31052–43–4 |
| Rb$_2$Te | rubidium telluride | 12210–70–7 |
| ReBr$_3$ | rhenium(III) bromide | 13569–49–8 |
| ReBr$_4$ | rhenium(IV) bromide | 36753–03–4 |
| ReBr$_5$ | rhenium(V) bromide | 30937–53–2 |
| ReCl$_3$ | rhenium(III) chloride | 13569–63–6 |
| ReCl$_4$ | rhenium(IV) chloride | 13569–71–6 |
| ReCl$_5$ | rhenium(V) chloride | 13596–35–5 |
| ReCl$_6$ | rhenium(VI) chloride | 31234–26–1 |
| ReF$_4$ | rhenium(IV) fluoride | 15192–42–4 |
| ReF$_5$ | rhenium(V) fluoride | 30937–52–1 |
| ReF$_6$ | rhenium(VI) fluoride | 10049–17–9 |
| ReF$_7$ | rhenium(VII) fluoride | 17029–21–9 |
| ReI$_3$ | rhenium(III) iodide | 15622–42–1 |
| ReI$_4$ | rhenium(IV) iodide | 59301–47–2 |
| ReO$_2$ | rhenium(IV) oxide | 12036–09–8 |
| ReO$_3$ | rhenium(VI) oxide | 1314–28–9 |
| ReS$_2$ | rhenium(IV) sulfide | 12038–63–0 |
| ReTe$_2$ | rhenium(IV) telluride | 12067–00–4 |
| Re$_2$O$_3$ | rhenium(III) oxide | 12060–05–8 |
| Re$_2$O$_7$ | rhenium(VII) oxide | 1314–68–7 |
| Re$_2$S$_7$ | rhenium(VII) sulfide | 12038–67–4 |
| RhBr$_3$ | rhodium(III) bromide | 15608–29–4 |
| RhCl$_3$ | rhodium(III) chloride | 10049–07–7 |
| RhF$_3$ | rhodium(III) fluoride | 60804–25–3 |
| RhF$_4$ | rhodium(IV) fluoride | 60617–65–4 |
| RhF$_5$ | rhodium(V) fluoride | 41517–05–9 |
| RhF$_6$ | rhodium(VI) fluoride | 13693–07–7 |
| RhI$_3$ | rhodium(III) iodide | 15492–38–3 |
| Rh(NO$_3$)$_3$ | rhodium(III) nitrate | 13465–43–5 |
| RhO$_2$ | rhodium(IV) oxide | 12137–27–8 |
| RhS$_2$ | rhodium(IV) sulfide | 12038–73–2 |
| RhSe$_2$ | rhodium(IV) selenide | 12038–76–5 |
| RhTe$_2$ | rhodium(IV) telluride | 12038–80–1 |
| Rh$_2$O$_3$ | rhodium(III) oxide | 12036–35–0 |
| Rh$_2$(SO$_4$)$_3$ | rhodium(III) sulfate | 10489–46–0 |
| Rh$_2$S$_3$ | rhodium(III) sulfide | 12067–06–0 |
| Rh$_2$S$_7$ | rhodium(VII) sulfide | 12038–67–4 |
| RuBr$_2$ | ruthenium(II) bromide | 59201–36–4 |
| RuBr$_3$ | ruthenium(III) bromide | 14014–88–1 |
| RuC$_{15}$H$_{21}$O$_3$ | ruthenium(III) acetylacetonate | 22594–69–0 |
| RuCl$_2$ | ruthenium(II) chloride | 13465–51–5 |
| RuCl$_3$ | ruthenium(III) chloride | 10049–08–8 |
| RuF$_3$ | ruthenium(III) fluoride | 51621–05–7 |
| RuF$_4$ | ruthenium(IV) fluoride | 71500–16–8 |
| RuF$_5$ | ruthenium(V) fluoride | 14521–18–7 |
| RuF$_6$ | ruthenium(VI) fluoride | 13693–08–8 |
| RuI$_2$ | ruthenium(II) iodide | 59201–41–1 |
| RuI$_3$ | ruthenium(III) iodide | 13896–65–6 |
| RuO$_2$ | ruthenium(IV) oxide | 12036–10–1 |
| RuO$_4$ | ruthenium(VI) oxide | 20427–56–9 |
| RuS$_2$ | ruthenium(IV) sulfide | 12166–20–0 |
| RuSe$_2$ | ruthenium(IV) selenide | 12166–21–1 |
| RuTe$_2$ | ruthenium(IV) telluride | 12166–21–1 |

## S

| Chemical formula | Synonyms | CAS number |
| SCl$_2$ | sulfur dichloride | 10545–99–0 |
| SCl$_4$ | sulfur tetrachloride | 13451–08–6 |
| SF$_2$ | sulfur difluoride | 13814–25–0 |
| SF$_4$ | sulfur tetrafluoride | 7783–60–0 |
| SF$_6$ | sulfur hexafluoride | 2551–62–4 |
| SO | sulfur monoxide | 13827–32–2 |
| SO$_2$ | sulfur dioxide | 7446–09–5 |
| SO$_3$ | sulfur trioxide | 7446–11–9 |
| S$_2$Br$_2$ | disulfur dibromide | 13172–31–1 |
| S$_2$Cl$_2$ | disulfur dichloride | 10025–67–9 |
| S$_2$F$_4$ | disulfur tetrafluoride | 10546–01–7 |
| S$_2$F$_{10}$ | disulfur decafluoride | 5714–22–7 |
| S$_2$I$_2$ | disulfur diiodide | 53280–15–2 |
| S$_2$O | disulfur monoxide | 20901–21–7 |
| S$_4$N$_4$ | tetrasulfur tetranitride | 28950–34–7 |
| SbBr$_3$ | antimony tribromide | 7789–61–9 |
| SbCl$_2$F$_3$ | antimony dichlorotrifluoride | 7791–16–4 |
| SbCl$_3$ | antimony trichloride | 10025–91–9 |
| SbCl$_5$ | antimony pentachloride | 7647–18–9 |
| SbF$_3$ | antimony trifluoride | 7783–56–4 |
| SbF$_5$ | antimony pentafluoride | 7783–70–2 |
| SbH$_3$ | antimony trihydride | 7803–52–3 |
| SbI$_3$ | antimony triiodide | 7790–44–5 |
| SbN | antimony trinitride | 12333–57–2 |
| SbNbO$_4$ | antimony orthoniobate | 35600–19–2 |
| Sb$_2$O$_3$ | antimony trioxide | 1309–64–4 |
| Sb$_2$O$_4$ | antimony tetroxide | 1332–81–6 |
| Sb$_2$O$_5$ | antimony pentoxide | 1314–60–9 |
| Sb$_2$(SO$_4$)$_3$ | antimony trisulfate | 7446–32–4 |
| Sb$_2$S$_3$ | antimony trisulfide | 1345–04–6 |
| Sb$_2$S$_5$ | antimony pentasulfide | 1315–04–4 |
| Sb$_2$Se$_3$ | antimony triselenide | 1315–05–5 |
| Sb$_2$Te$_3$ | antimony tritelluride | 1327–50–0 |
| ScBr$_3$ | scandium(III) bromide | 13465–59–3 |
| Sc(CF$_3$SO$_3$)$_3$ | scandium(III) trifluoromethanesulfonate | 144026–79–9 |
| Sc(CHO$_2$)$_3$ | scandium(III) formate | 23405–01–8 |
| ScCl$_3$ | scandium(III) chloride | 10361–84–9 |
| ScF$_3$ | scandium(III) fluoride | 13709–47–2 |
| ScH$_2$ | scandium(II) hydride | 13598–30–6 |
| ScH$_3$ | scandium(III) hydride | 43238–07–9 |
| ScI$_3$ | scandium(III) iodide | 14474–33–0 |
| Sc(NO$_3$)$_3$ | scandium(III) nitrate | 13465–60–6 |
| Sc$_2$O$_3$ | scandium(III) oxide | 12060–08–1 |
| Sc$_2$S$_3$ | scandium(III) sulfide | 12166–29–9 |
| Sc$_2$Te$_3$ | scandium(III) telluride | 12166–44–8 |
| SeBr | selenium bromide | 17655–37–7 |
| SeBr$_2$ | selenium dibromide | 22987–45–7 |
| SeBr$_4$ | selenium tetrabromide | 7789–65–3 |
| SeCl$_2$ | selenium dichloride | 14457–70–6 |
| SeCl$_4$ | selenium tetrachloride | 10026–03–6 |
| SeF$_2$ | selenium difluoride | 70421–43–1 |
| SeF$_4$ | selenium tetrafluoride | 13465–66–2 |
| SeF$_6$ | selenium hexafluoride | 7783–79–1 |
| SeOBr$_2$ | selenium oxybromide | 7789–51–7 |
| SeOCl$_2$ | selenium oxychloride | 7791–23–3 |
| SeO$_2$ | selenium dioxide | 7446–08–4 |
| SeO$_2$F$_2$ | selenium dioxydifluoride | 14984–81–7 |
| SeO$_3$ | selenium trioxide | 13768–86–0 |
| SeS | selenium monosulfide | 7446–34–6 |
| SeS$_2$ | selenium disulfide | 7488–56–4 |
| Se$_2$S$_6$ | selenium hexasulfide | 75926–26–0 |
| SiB$_4$ | silicon boride | 12007–81–7 |
| SiBr$_4$ | silicon bromide | 7789–66–4 |
| SiC | silicon carbide | 409–21–2 |
| SiCl$_4$ | silicon chloride | 10026–04–7 |
| SiF$_4$ | silicon fluoride | 7783–61–1 |
| SiH$_4$ | silicon hydride | 7803–62–5 |
| SiI$_4$ | silicon iodide | 13465–84–4 |
| SiO$_2$ | silicon dioxide | 14808–60–7 |
| SiS$_2$ | silicon sulfide | 13759–10–9 |
| Si$_3$N$_4$ | silicon nitride | 12033–89–5 |
| SmBr$_2$ | samarium(II) bromide | 50801–97–3 |
| SmBr$_3$ | samarium(III) bromide | 13759–87–0 |
| Sm(CHO$_2$)$_3$ | samarium(III) formate | 3252–54–8 |
| SmCl$_2$ | samarium(II) chloride | 13874–75–4 |
| SmCl$_3$ | samarium(III) chloride | 10361–82–7 |
| SmF$_2$ | samarium(II) fluoride | 15192–17–3 |
| SmF$_3$ | samarium(III) fluoride | 13765–24–7 |
| SmI$_2$ | samarium(II) iodide | 32248–43–4 |
| SmI$_3$ | samarium(III) iodide | 13813–25–7 |
| Sm$_2$O$_3$ | samarium(III) oxide | 12060–58–1 |
| Sm$_2$S$_3$ | samarium(III) sulfide | 12067–22–0 |
| Sm$_2$Se$_3$ | samarium(III) selenide | 12039–56–4 |
| Sm$_2$Te$_3$ | samarium(III) telluride | 12040–00–5 |
| Sn(BF$_4$)$_2$ | tin(II) fluoroborate | 13814–97–6 |
| SnBr$_2$ | tin(II) bromide | 10031–24–0 |
| SnBr$_4$ | tin(IV) bromide | 7789–67–5 |
| SnC$_2$O$_4$ | tin(II) oxalate | 814–94–8 |
| SnCl$_2$ | tin(II) chloride | 7772–99–8 |
| SnCl$_4$ | tin(IV) chloride | 7646–78–8 |
| SnF$_2$ | tin(II) fluoride | 7783–47–3 |
| SnF$_4$ | tin(IV) fluoride | 7783–62–2 |
| SnH$_4$ | tin(IV) hydride | 2406–52–2 |
| SnI$_2$ | tin(II) iodide | 10294–70–9 |
| SnI$_4$ | tin(IV) iodide | 7790–47–8 |
| SnO | tin(II) oxide | 21651–19–4 |
| SnO$_2$ | tin(IV) oxide | 18282–10–5 |
| SnS | tin(II) sulfide | 1314–95–0 |
| SnSO$_4$ | tin(II) sulfate | 7488–55–3 |
| SnS$_2$ | tin(IV) sulfide | 1315–01–1 |
| SnSe | tin(II) selenide | 1315–06–6 |
| SnSe$_2$ | tin(IV) selenide | 20770–09–6 |
| SnTe | tin(II) telluride | 12040–02–7 |
| SrAlO$_3$ | strontium aluminate | 12004–37–4 |
| SrB$_2$O$_4$ | strontium metaborate | 13703–84–9 |
| SrB$_6$ | strontium boride | 12046–54–7 |
| SrBr$_2$ | strontium bromide | 10476–81–0 |
| SrBr$_2$•6H$_2$O | strontium bromide hexahydrate | 7789–53–9 |
| Sr(C$_2$H$_3$O$_2$)$_2$ | strontium acetate | 543–94–2 |
| SrCO$_3$ | strontium carbonate | 1633–05–2 |
| SrCl$_2$ | strontium chloride | 10476–85–4 |
| SrCrO$_4$ | strontium chromate | 7789–06–2 |
| SrF$_2$ | strontium fluoride | 7783–48–4 |
| SrH$_2$ | strontium hydride | 13598–33–9 |
| SrI$_2$ | strontium iodide | 10476–86–5 |
| SrMoO$_4$ | strontium molybdate | 13470–04–7 |
| Sr(NO$_2$)$_2$ | strontium nitrite | 13470–06–9 |
| Sr(NO$_3$)$_2$ | strontium nitrate | 10042–76–9 |
| SrO | strontium oxide | 1314–11–0 |
| Sr(OH)$_2$ | strontium hydroxide | 18480–07–4 |
| SrO$_2$ | strontium peroxide | 1314–18–7 |
| SrS | strontium sulfide | 1314–96–1 |
| SrSCN | strontium thiocyanate | 18807–10–8 |
| SrSO$_3$ | strontium sulfite | 13451–02–0 |
| SrS$_2$O$_6$ | strontium dithionate | 13845–16–4 |
| SrSe | strontium selenide | 1315–07–7 |
| SrSeO$_4$ | strontium selenate | 7446–21–1 |
| SrSiO$_4$ | strontium silicate | 12712–63–9 |
| SrSnO$_3$ | strontium stannate | 12143–34–9 |
| SrTiO$_3$ | strontium titanate | 12060–59–2 |
| SrWO$_4$ | strontium tungstate | 13451–05–3 |
| SrZrO$_3$ | strontium zirconate | 12036–39–4 |
| Sr$_3$P$_2$ | strontium phosphide | 12504–16–4 |

## T

| Chemical formula | Synonyms | CAS number |
| TaAl$_3$ | tantalum(III) aluminide | 12004–76–1 |
| TaBr$_3$ | tantalum(III) bromide | 13842–73–4 |
| TaBr$_4$ | tantalum(IV) bromide | 13842–76–7 |
| TaBr$_5$ | tantalum(V) bromide | 13451–11–1 |
| TaC | tantalum(IV) carbide | 12070–06–3 |
| TaCl$_3$ | tantalum(III) chloride | 13569–67–0 |
| TaCl$_4$ | tantalum(IV) chloride | 13569–72–7 |
| TaCl$_5$ | tantalum(V) chloride | 7721–01–9 |
| TaF$_3$ | tantalum(III) fluoride | 13814–17–0 |
| TaF$_5$ | tantalum(V) fluoride | 7783–71–3 |
| TaI$_4$ | tantalum(IV) iodide | 14693–80–2 |
| TaI$_5$ | tantalum(V) iodide | 14693–81–3 |
| TaN | tantalum(III) nitride | 12033–62–4 |
| TaO | tantalum(II) oxide | 12035–90–4 |
| TaO$_2$ | tantalum(IV) oxide | 12036–14–5 |
| TaS | tantalum(II) sulfide | 41203–00–3 |
| TaS$_2$ | tantalum(IV) sulfide | 12143–72–5 |
| TaSe$_2$ | tantalum(IV) selenide | 12039–55–3 |
| TaSi$_2$ | tantalum(IV) silicide | 12039–79–1 |
| TaTe$_2$ | tantalum(IV) telluride | 12067–66–2 |
| Ta$_2$H | tantalum hydride | 12026–09–4 |
| Ta$_2$O$_5$ | tantalum(V) oxide | 1314–61–0 |
| TbBr$_3$ | terbium(III) bromide | 14456–47–4 |
| Tb(CHO$_2$)$_3$ | terbium(III) formate | 3252–57–1 |
| TbCl$_3$ | terbium(III) chloride | 10042–88–3 |
| TbF$_2$ | terbium(II) fluoride | 107949–15–5 |
| TbF$_3$ | terbium(III) fluoride | 13708–63–9 |
| TbF$_4$ | terbium(IV) fluoride | 36781–15–4 |
| TbI$_3$ | terbium(III) iodide | 13813–40–6 |
| TbN | terbium(III) nitride | 12033–64–6 |
| TbO$_2$ | terbium(IV) oxide | 12036–15–6 |
| TbSi$_2$ | terbium(IV) silicide | 12039–80–4 |
| Tb$_2$O$_3$ | terbium(III) oxide | 12036–41–8 |
| Tb$_2$S$_3$ | terbium(III) sulfide | 12138–11–3 |
| Tb$_2$Se$_3$ | terbium(III) selenide | 12166–48–2 |
| TcBr$_4$ | technetium(IV) bromide | 74078–05–0 |
| TcCl$_4$ | technetium(IV) chloride | 14215–13–5 |
| TcCl$_6$ | technetium(VI) chloride | 31227–43–7 |
| TcF$_5$ | technetium(V) fluoride | 31052–14–9 |
| TcF$_6$ | technetium(VI) fluoride | 13842–93–8 |
| TcO$_2$ | technetium(IV) oxide | 12036–16–7 |
| TcS$_2$ | technetium(IV) sulfide | 34312–50–0 |
| Tc$_2$O$_7$ | technetium(VII) oxide | 12165–21–8 |
| TeBr$_2$ | tellurium dibromide | 7789–54–0 |
| TeBr$_4$ | tellurium tetrabromide | 10031–27–3 |
| TeCl$_2$ | tellurium dichloride | 10025–71–5 |
| TeCl$_4$ | tellurium tetrachloride | 10026–07–0 |
| TeF$_4$ | tellurium tetrafluoride | 15192–26–4 |
| TeF$_6$ | tellurium hexafluoride | 7783–80–4 |
| TeI | tellurium monoiodide | 12600–42–9 |
| TeI$_4$ | tellurium tetraiodide | 7790–48–9 |
| TeO | tellurium monoxide | 13451–17–7 |
| TeO$_2$ | tellurium dioxide | 7446–07–3 |
| TeO$_3$ | tellurium trioxide | 13451–18–8 |
| TeS$_2$ | tellurium disulfide | 7446–35–7 |
| ThBr$_4$ | thorium(IV) bromide | 13453–49–1 |
| ThC | thorium(IV) carbide | 12012–16–7 |
| Th(CO$_3$)$_2$ | thorium(II) carbonate | 19024–62–5 |
| ThCl$_4$ | thorium(IV) chloride | 10026–08–1 |
| ThF$_3$ | thorium(III) fluoride | 13842–84–7 |
| ThF$_4$ | thorium(IV) fluoride | 13709–59–6 |
| ThH$_2$ | thorium(II) hydride | 16689–88–6 |
| ThI$_2$ | thorium(II) iodide | 13779–95–8 |
| ThI$_3$ | thorium(III) iodide | 13779–96–9 |
| ThI$_4$ | thorium(IV) iodide | 7790–49–0 |
| ThN | thorium(III) nitride | 12033–65–7 |
| Th(NO$_3$)$_4$ | thorium(IV) nitrate | 13823–29–5 |
| ThO$_2$ | thorium(IV) oxide | 1314–20–1 |
| ThS | thorium(II) sulfide | 12039–06–4 |
| ThS$_2$ | thorium(IV) sulfide | 12138–07–7 |
| ThSe$_2$ | thorium(IV) selenide | 60763–24–8 |
| ThSiO$_4$ | thorium(IV) orthosilicate | 14553–44–7 |
| ThSi$_2$ | thorium(IV) silicide | 12067–54–8 |
| Th$_2$S$_3$ | thorium(III) sulfide | 12286–35–0 |
| TiBr$_2$ | titanium(II) bromide | 13783–04–5 |
| TiBr$_3$ | titanium(III) bromide | 13135–31–4 |
| TiBr$_4$ | titanium(IV) bromide | 7789–68–6 |
| TiC | titanium(IV) carbide | 12070–08–5 |
| TiC$_8$H$_{20}$O$_4$ | titanium(IV) ethoxide | 3087–36–3 |
| TiCl$_2$ | titanium(II) chloride | 10049–06–6 |
| TiCl$_3$ | titanium(III) chloride | 7705–07–9 |
| TiCl$_4$ | titanium(IV) chloride | 7550–45–0 |
| TiF$_2$ | titanium(II) fluoride | 13814–20–5 |
| TiF$_3$ | titanium(III) fluoride | 13470–08–1 |
| TiF$_4$ | titanium(IV) fluoride | 7783–63–3 |
| TiH$_2$ | titanium(II) hydride | 7704–98–5 |
| TiI$_2$ | titanium(II) iodide | 13783–07–8 |
| TiI$_3$ | titanium(III) iodide | 13783–08–9 |
| TiI$_4$ | titanium(IV) iodide | 7720–83–4 |
| TiN | titanium(III) nitride | 25583–20–4 |
| TiO | titanium(II) oxide | 12137–20–1 |
| TiO$_2$ | titanium(IV) oxide | 13463–67–7 |
| TiP | titanium(III) phosphide | 12037–65–9 |
| Ti$_3$(PO$_4$)$_4$ | titanium(IV) phosphate | 15578–51–5 |
| TiS | titanium(II) sulfide | 12039–07–5 |
| Ti(SO$_4$)$_2$ | titanium(IV) sulfate | 18130–44–4 |
| TiS$_2$ | titanium(IV) sulfide | 12039–13–3 |
| TiSi$_2$ | titanium(IV) silicide | 12039–83–7 |
| Ti$_2$O$_3$ | titanium(III) oxide | 1344–54–3 |
| Ti$_2$(SO$_4$)$_3$ | titanium(III) sulfate | 10343–61–0 |
| Ti$_2$S$_3$ | titanium(III) sulfide | 12039–16–6 |
| Ti$_3$O$_5$ | titanium(III,IV) oxide | 12065–65–5 |
| TlBr | thallium(I) bromide | 7789–40–4 |
| TlCHO$_2$ | thallium(I) formate | 992–98–3 |
| TlCN | thallium(I) cyanide | 13453–34–4 |
| TlC$_2$H$_3$O$_2$ | thallium(I) acetate | 563–68–8 |
| TlC$_2$H$_5$O | thallium(I) ethoxide | 20398–06–5 |
| TlCl | thallium(I) chloride | 7791–12–0 |
| TlClO$_3$ | thallium(I) chlorate | 13453–30–0 |
| TlClO$_4$ | thallium(I) perchlorate | 13453–40–2 |
| TlCl$_2$ | thallium(II) chloride | 15230–71–4 |
| TlCl$_3$ | thallium(III) chloride | 13453–32–2 |
| TlF | thallium(I) fluoride | 7789–27–7 |
| TlF$_3$ | thallium(III) fluoride | 7783–57–5 |
| TlI | thallium(I) iodide | 7790–30–9 |
| TlIO$_3$ | thallium(III) iodate | 14767–09–0 |
| TlI$_3$ | thallium(I) triiodide | 60488–29–1 |
| TlNO$_3$ | thallium(I) nitrate | 10102–45–1 |
| Tl(NO$_3$)$_3$ | thallium(III) nitrate | 13746–98–0 |
| TlOH | thallium(I) hydroxide | 12026–06–1 |
| TlPF$_6$ | thallium(I) hexafluorophosphate | 60969–19–9 |
| Tl$_2$Br$_4$ | thallium(I,III) bromide | 13453–28–6 |
| Tl$_2$CO$_3$ | thallium(I) carbonate | 6533–73–9 |
| Tl$_2$C$_2$O$_4$ | thallium(I) oxalate | 30737–24–7 |
| Tl$_2$MoO$_4$ | thallium(I) molybdate | 34128–09–1 |
| Tl$_2$O | thallium(I) oxide | 1314–12–1 |
| Tl$_2$O$_3$ | thallium(III) oxide | 1314–32–5 |
| Tl$_2$S | thallium(I) sulfide | 1314–97–2 |
| Tl$_2$SO$_4$ | thallium(I) sulfate | 7446–18–6 |
| Tl$_2$Se | thallium(I) selenide | 15572–25–5 |
| Tl$_2$SeO$_4$ | thallium(I) selenate | 7446–22–2 |
| Tl$_2$Te | thallium(I) telluride | 12040–13–0 |
| TmBr$_2$ | thulium(II) bromide | 64171–97–7 |
| TmBr$_3$ | thulium(III) bromide | 14456–51–0 |
| TmCl$_2$ | thulium(II) chloride | 22852–11–5 |
| TmCl$_2$•7H$_2$O | thulium(II) chloride heptahydrate | 13778–39–7 |
| TmCl$_3$ | thulium(III) chloride | 13537–18–3 |
| TmF$_3$ | thulium(III) fluoride | 13760–79–7 |
| TmI$_2$ | thulium(II) iodide | 60864–26–8 |
| TmI$_3$ | thulium(III) iodide | 13813–43–9 |
| Tm(NbO$_3$)$_2$ | thulium(II) niobate | 97086–52–7 |
| Tm$_2$O$_3$ | thulium(III) oxide | 12036–44–1 |
| Tm$_2$S$_3$ | thulium(III) sulfide | 12166–30–2 |

## U

| Chemical formula | Synonyms | CAS number |
| UBr$_3$ | uranium(III) bromide | 13470–19–4 |
| UBr$_4$ | uranium(IV) bromide | 13470–20–7 |
| UBr$_5$ | uranium(V) bromide | 13775–16–1 |
| UC | uranium(IV) carbide | 12070–09–6 |
| UC$_2$ | uranium(VI) carbide | 12071–33–9 |
| UCl$_3$ | uranium(III) chloride | 10025–93–1 |
| UCl$_4$ | uranium(IV) chloride | 10026–10–5 |
| UCl$_5$ | uranium(V) chloride | 13470–21–8 |
| UCl$_6$ | uranium(VI) chloride | 13763–23–0 |
| UF$_3$ | uranium(III) fluoride | 13775–06–9 |
| UF$_4$ | uranium(IV) fluoride | 10049–14–6 |
| UF$_5$ | uranium(V) fluoride | 13775–07–0 |
| UF$_6$ | uranium(VI) fluoride | 7783–81–5 |
| UH$_3$ | uranium(III) hydride | 13598–56–6 |
| UI$_3$ | uranium(III) iodide | 13775–18–3 |
| UI$_4$ | uranium(IV) iodide | 13470–22–9 |
| UN | uranium(III) nitride | 25658–43–9 |
| UO | uranium(II) oxide | 13598–56–6 |
| UO$_2$ | uranium(IV) oxide | 1344–57–6 |
| UO$_2$(NO$_3$)$_2$ | uranyl nitrate | 10102–06–4 |
| UO$_3$ | uranium(VI) oxide | 1344–58–7 |
| US | uranium(II) sulfide | 12039–11–1 |
| USe$_3$ | uranium(VI) selenide | 12138–23–7 |
| UTe$_2$ | uranium(IV) telluride | 12138–37–3 |
| UTe$_3$ | uranium(VI) telluride | 12040–18–5 |
| U$_2$O$_5$ | uranium(V) oxide | 12065–66–6 |
| U$_2$S$_3$ | uranium(III) sulfide | 12138–13–5 |
| U$_3$N$_2$ | uranium(II) nitride | 12033–85–1 |
| U$_3$O$_8$ | uranium(V,VI) oxide | 1344–59–8 |
| U$_4$O$_9$ | uranium(IV,V) oxide | 12037–15–9 |

## V

| Chemical formula | Synonyms | CAS number |
| VBr$_2$ | vanadium(II) bromide | 14890–41–6 |
| VBr$_3$ | vanadium(III) bromide | 13470–26–3 |
| VBr$_4$ | vanadium(IV) bromide | 13595–30–7 |
| VC | vanadium(IV) carbide | 12070–10–9 |
| VCl$_2$ | vanadium(II) chloride | 10580–52–6 |
| VCl$_3$ | vanadium(III) chloride | 7718–98–1 |
| VCl$_4$ | vanadium(IV) chloride | 7632–51–1 |
| VF$_2$ | vanadium(II) fluoride | 13842–80–3 |
| VF$_3$ | vanadium(III) fluoride | 10049–12–4 |
| VF$_4$ | vanadium(IV) fluoride | 10049–16–8 |
| VF$_5$ | vanadium(V) fluoride | 7783–72–4 |
| VH | vanadium(I) hydride | 13966–93–3 |
| VI$_2$ | vanadium(II) iodide | 15513–84–5 |
| VI$_3$ | vanadium(III) iodide | 15513–94–7 |
| VI$_4$ | vanadium(IV) iodide | 15831–18–2 |
| VN | vanadium(III) nitride | 24646–85–3 |
| VO | vanadium(II) oxide | 12035–98–2 |
| VOCl$_3$ | vanadium(V) oxytrichloride | 7727–18–6 |
| VOF$_3$ | vanadium(V) oxytrifluoride | 13709–31–4 |
| VO$_2$ | vanadium(IV) oxide | 12036–21–4 |
| VOSO$_4$ | vanadyl sulfate | 27774–13–6 |
| VS$_2$ | vanadium(IV) sulfide | 12166–28–8 |
| VSe$_2$ | vanadium(IV) selenide | 12299–51–3 |
| VSi$_2$ | vanadium(IV) silicide | 12039–87–1 |
| VTe$_2$ | vanadium(IV) telluride | 35515–91–4 |
| V$_2$O$_3$ | vanadium(III) oxide | 1314–34–7 |
| V$_2$O$_5$ | vanadium(V) oxide | 1314–62–1 |
| V$_2$(SO$_4$)$_3$ | vanadium(III) sulfate | 13701–70–7 |
| V$_2$S$_3$ | vanadium(III) sulfide | 1315–03–3 |
| V$_3$Si | vanadium(II) silicide | 12039–76–8 |

## W

| Chemical formula | Synonyms | CAS number |
| WBr$_2$ | tungsten(II) bromide | 13470–10–5 |
| WBr$_3$ | tungsten(III) bromide | 15163–24–3 |
| WBr$_4$ | tungsten(IV) bromide | 14055–81–3 |
| WBr$_5$ | tungsten(V) bromide | 13470–11–6 |
| WBr$_6$ | tungsten(VI) bromide | 13701–86–5 |
| WC | tungsten(IV) carbide | 12070–12–1 |
| WCl$_2$ | tungsten(II) chloride | 13470–12–7 |
| WCl$_3$ | tungsten(III) chloride | 20193–56–0 |
| WCl$_4$ | tungsten(IV) chloride | 13470–13–8 |
| WCl$_5$ | tungsten(V) chloride | 13470–14–9 |
| WCl$_6$ | tungsten(VI) chloride | 13283–01–7 |
| WF$_4$ | tungsten(IV) fluoride | 13766–47–7 |
| WF$_5$ | tungsten(V) fluoride | 19357–83–6 |
| WF$_6$ | tungsten(VI) fluoride | 7783–82–6 |
| WI$_2$ | tungsten(II) iodide | 13470–17–2 |
| WI$_3$ | tungsten(III) iodide | 15513–69–6 |
| WI$_4$ | tungsten(IV) iodide | 14055–84–6 |
| WOBr$_3$ | tungsten(V) oxytribromide | 20213–56–3 |
| WOBr$_4$ | tungsten(VI) oxytetrabromide | 13520–77–9 |
| WOCl$_3$ | tungsten(V) oxytrichloride | 14249–98–0 |
| WOCl$_4$ | tungsten(VI) oxytetrachloride | 13520–78–0 |
| WOF$_4$ | tungsten(VI) oxytetrafluoride | 13520–79–1 |
| WO$_2$ | tungsten(IV) oxide | 12036–22–5 |
| WO$_2$Br$_2$ | tungsten(VI) dioxydibromide | 13520–75–7 |
| WO$_2$Cl$_2$ | tungsten(VI) dioxydichloride | 13520–76–8 |
| WO$_2$I$_2$ | tungsten(VI) dioxydiiodide | 14447–89–3 |
| WO$_3$ | tungsten(VI) oxide | 1314–35–8 |
| WS$_2$ | tungsten(IV) sulfide | 12138–09–9 |
| WS$_3$ | tungsten(VI) sulfide | 12125–19–8 |
| WSe$_2$ | tungsten(IV) selenide | 12067–46–8 |
| WSi$_2$ | tungsten(IV) silicide | 12039–88–2 |
| WTe$_2$ | tungsten(IV) telluride | 12067–76–4 |

## X

| Chemical formula | Synonyms | CAS number |
| XeF | xenon monofluoride | 16757–14–5 |
| XeF$_2$ | xenon difluoride | 13709–36–9 |
| XeF$_4$ | xenon tetrafluoride | 13709–61–0 |
| XeF$_6$ | xenon hexafluoride | 13693–09–9 |
| XeOF$_4$ | xenon oxytetrafluoride | 13774–85–1 |
| XeO$_2$F$_2$ | xenon dioxydifluoride | 13875–06–4 |
| XeO$_3$ | xenon trioxide | 13776–58–4 |
| XeO$_4$ | xenon tetroxide | 12340–14–6 |

## Y

| Chemical formula | Synonyms | CAS number |
| YAs | yttrium(III) arsenide | 12255–48–0 |
| YB$_6$ | yttrium(III) boride | 12008–32–1 |
| YBr$_3$ | yttrium(III) bromide | 13469–98–2 |
| Y(CHO$_2$)$_3$ | yttrium(III) formate | 15331–71–2 |
| YC$_2$ | yttrium(II) carbide | 12071–35–1 |
| Y(CF$_3$SO$_3$)$_3$ | yttrium(III) trifluoromethanesulfonate | 52093–30–8 |
| YCl$_3$ | yttrium(III) chloride | 10361–92–9 |
| YF$_3$ | yttrium(III) fluoride | 13709–49–4 |
| YH$_2$ | yttrium(II) hydride | 13598–35–1 |
| YH$_3$ | yttrium(III) hydride | 13598–57–7 |
| YI$_3$ | yttrium(III) iodide | 13470–38–7 |
| YN | yttrium(III) nitride | 25764–13–0 |
| YP | yttrium(III) phosphide | 12294–01–8 |
| YSb | yttrium(III) antimonide | 12186–97–9 |
| YVO$_4$ | yttrium(III) vanadate | 13566–12–6 |
| Y$_2$O$_3$ | yttrium(III) oxide | 1314–36–9 |
| Y$_2$S$_3$ | yttrium(III) sulfide | 12039–19–9 |
| YbBr$_2$ | ytterbium(II) bromide | 25502–05–0 |
| YbBr$_3$ | ytterbium(III) bromide | 13759–89–2 |
| YbCl$_2$ | ytterbium(II) chloride | 13874–77–6 |
| YbCl$_3$ | ytterbium(III) chloride | 10361–91–8 |
| YbCl$_3$•6H$_2$O | ytterbium(III) chloride hexahydrate | 19423–87–1 |
| YbF$_2$ | ytterbium(II) fluoride | 15192–18–4 |
| YbF$_3$ | ytterbium(III) fluoride | 13760–80–0 |
| YbI$_2$ | ytterbium(II) iodide | 19357–86–9 |
| YbI$_3$ | ytterbium(III) iodide | 13813–44–0 |
| YbSe | ytterbium(II) selenide | 12039–54–2 |
| YbSi$_5$ | ytterbium(V) silicide | 12039–89–3 |
| YbTe | ytterbium(II) telluride | 12125–58–5 |
| Yb$_2$O$_3$ | ytterbium(III) oxide | 1314–37–0 |
| Yb$_2$S$_3$ | ytterbium(III) sulfide | 12039–20–2 |
| Yb$_2$Se$_3$ | ytterbium(III) selenide | 12166–52–8 |

## Z

| Chemical formula | Synonyms | CAS number |
| Zn(AsO$_2$)$_2$ | zinc arsenite | 10326–24–6 |
| Zn(AsO$_3$)$_2$ | zinc arsenate | 12006–40–5 |
| ZnBr$_2$ | zinc bromide | 7699–45–8 |
| Zn(CN)$_2$ | zinc cyanide | 557–21–1 |
| ZnCO$_3$ | zinc carbonate | 3486–35–9 |
| Zn(C$_2$H$_3$O$_2$)$_2$ | zinc acetate | 557–34–6 |
| ZnC$_2$O$_4$ | zinc oxalate | 547–68–2 |
| ZnC$_3$H$_7$O$_6$P | zinc glycerophosphate | 1300–26–1 |
| ZnC$_4$H$_2$O$_4$ | zinc fumarate | 52723–61–2 |
| ZnC$_4$H$_4$O$_4$ | zinc succinate | 6228–53–1 |
| ZnC$_6$H$_{10}$O$_4$ | zinc propionate | 557–28–8 |
| ZnC$_6$H$_{10}$O$_6$ | zinc lactate | 16039–53–5 |
| ZnC$_6$H$_{12}$N$_2$S$_4$ | zinc dimethyldithiocarbonate | 137–30–4 |
| Zn(C$_8$H$_{15}$O$_2$)$_2$ | zinc caprylate | 557–09–5 |
| ZnC$_{10}$H$_{20}$N$_2$S$_4$ | zinc dimethyldithiocarbamate | 14324–55–1 |
| Zn(C$_{18}$H$_{35}$O$_2$)$_2$ | zinc stearate | 557–05–1 |
| Zn(ClO$_3$)$_2$ | zinc chlorate | 10361–95–2 |
| Zn(ClO$_4$)$_2$ | zinc perchlorate | 10025–64–6 |
| ZnCl$_2$ | zinc chloride | 7646–85–7 |
| ZnCrO$_4$ | zinc chromate | 13530–65–9 |
| ZnCr$_2$O$_4$ | zinc chromite | 12018–19–8 |
| ZnCr$_2$O$_7$ | zinc dichromate | 14018–95–2 |
| ZnF$_2$ | zinc fluoride | 7783–49–5 |
| ZnH$_2$ | zinc hydride | 14018–82–7 |
| Zn(IO$_3$)$_2$ | zinc iodate | 7790–37–6 |
| ZnI$_2$ | zinc iodide | 10139–47–6 |
| Zn(MnO$_4$)$_2$ | zinc permanganate | 23414–72–4 |
| ZnMoO$_4$ | zinc molybdate | 13767–32–3 |
| Zn(NO$_2$)$_2$ | zinc nitrite | 10102–02–0 |
| Zn(NO$_3$)$_2$ | zinc nitrate | 7779–88–6 |
| ZnO | zinc oxide | 1314–13–2 |
| Zn(OH)$_2$ | zinc hydroxide | 20427–58–1 |
| ZnO$_2$ | zinc peroxide | 1314–22–3 |
| ZnS | zinc sulfide | 1314–98–3 |
| Zn(SCN)$_2$ | zinc thiocyanate | 557–42–6 |
| ZnSO$_4$ | zinc sulfate | 7733–02–0 |
| ZnSb | zinc antimonide | 12039–35–9 |
| ZnSe | zinc selenide | 1315–09–9 |
| ZnSnO$_3$ | zinc stannate | 12036–37–2 |
| ZnTe | zinc telluride | 1315–11–3 |
| ZnTiO$_3$ | zinc titanate | 12036–43–0 |
| ZnWO$_4$ | zinc tungstate | 13597–56–3 |
| Zn$_2$Fe(CN)$_6$ | zinc ferrocyanide | 14883–46–6 |
| Zn$_2$P$_2$O$_7$ | zinc pyrophosphate | 7446–26–6 |
| Zn$_2$SiO$_4$ | zinc orthosilicate | 13597–65–4 |
| Zn$_3$(AsO$_4$)$_2$ | zinc arsenate | 13464–44–3 |
| Zn$_3$(BO$_3$)$_2$ | zinc borate | 12880–01–2 |
| Zn$_3$N$_2$ | zinc nitride | 1313–49–1 |
| Zn$_3$P$_2$ | zinc phosphide | 1314–84–7 |
| Zn$_3$(PO$_4$)$_2$ | zinc phosphate | 7779–90–0 |
| ZrBr$_3$ | zirconium(III) bromide | 24621–18–9 |
| ZrBr$_4$ | zirconium(IV) bromide | 13777–25–8 |
| ZrC | zirconium(IV) carbide | 12070–14–3 |
| ZrCl$_2$ | zirconium(II) chloride | 13762–26–0 |
| ZrCl$_4$ | zirconium(IV) chloride | 10026–11–6 |
| ZrF$_4$ | zirconium(IV) fluoride | 7783–64–4 |
| ZrH$_2$ | zirconium(II) hydride | 7704–99–6 |
| ZrI$_2$ | zirconium(II) iodide | 15513–85–6 |
| ZrI$_3$ | zirconium(III) iodide | 13779–87–8 |
| ZrI$_4$ | zirconium(IV) iodide | 13986–26–0 |
| ZrN | zirconium(III) nitride | 25658–42–8 |
| Zr(OH)$_4$ | zirconium(IV) hydroxide | 14475–63–9 |
| ZrO | zirconium(II) oxide | 12036–01–0 |
| ZrO$_2$ | zirconium(IV) oxide | 1314–23–4 |
| Zr(HPO$_4$) | zirconium(IV) phosphate | 13765–95–2 |
| ZrP$_2$ | zirconium(IV) phosphide | 12037–80–8 |
| Zr(SO$_4$)$_2$ | zirconium(IV) sulfate | 14644–61–2 |
| ZrS$_2$ | zirconium(IV) sulfide | 12039–15–5 |
| ZrSe$_2$ | zirconium(IV) selenide | 12166–47–1 |
| ZrSi$_2$ | zirconium(IV) silicide | 12039–90–6 |
| ZrSiO$_4$ | zirconium(IV) silicate | 10101–52–7 |
| ZrTe$_2$ | zirconium(IV) telluride | 32321–65–6 |
| Zr(WO$_4$)$_2$ | zirconium(IV) tungstate | 16853–74–0 |