# List of compounds with carbon number 3

This is a partial list of molecules that contain 3 carbon atoms.
| Chemical formula | Synonyms | CAS number |
| C$_3$Al$_4$ | aluminium carbide | 1299-86-1 |
| C$_3$BrF$_7$ | heptafluoropropyl bromide | 422-85-5 |
| C$_3$BrN | bromocyanoacetylene | 3114-46-3 |
| C$_3$ClF$_5$O | chloropentafluoroacetone | 79-53-8 |
| C$_3$ClF$_5$O | pentafluoropropionyl chloride | 422-59-3 |
| C$_3$ClN | chlorocyanoacetylene | 2003-31-8 |
| C$_3$Cl$_3$NO$_2$ | trichloroacetyl isocyanate | 3019-71-4 |
| C$_3$Cl$_3$N$_3$ | cyanuric chloride | 108-77-0 |
| C$_3$Cl$_3$N$_3$O$_3$ | trichloroisocyanuric acid | 87-90-1 |
| C$_3$Cl$_5$FO | fluoropentachloroacetone | 2378-08-7 |
| C$_3$Cl$_6$ | hexachlorocyclopropane | 2065-35-2 |
| C$_3$CoNO$_4$ | cobalt tricarbonyl nitrosyl | 14096-82-3 |
| C$_3$Cr$_7$ | chromium carbide | 12075-40-0 |
| C$_3$F$_4$ | perfluoroallene | 461-68-7 |
| C$_3$F$_6$O | pentafluoropropionyl fluoride | 422-61-7 |
| C$_3$HCl$_2$N$_3$O$_3$ | dichloroisocyanuric acid | 2782-57-2 |
| C$_3$HCl$_3$O$_2$ | trichloroacrylic acid | 2257-35-4 |
| C$_3$HF$_5$O$_2$ | pentafluoropropionic acid | 422-64-0 |
| C$_3$HF$_6$N | hexafluoroacetone imine | 1645-75-6 |
| C$_3$HN | isocyanoacetylene | 66723-45-3 |
| C$_3$HN | propiolonitrile | 1070-71-9 |
| C$_3$HNO | cyanoketene | 4452-08-8 |
| C$_3$H$_2$ | cyclopropenylidene | 16165-40-5 |
| C$_3$H$_2$ | propadienylidene | 60731-10-4 |
| C$_3$H$_2$ClF$_5$O | enflurane | 13838-16-9 |
| C$_3$H$_2$ClNO$_2$ | chloroacetyl isocyanate | 4461-30-7 |
| C$_3$H$_2$Cl$_2$O$_2$ | malonyl dichloride | 1663-67-8 |
| C$_3$H$_2$F$_5$NO | pentafluoropropionamide | 354-76-7 |
| C$_3$H$_2$N$_2$ | malononitrile | 109-77-3 |
| C$_3$H$_2$O | propadienal | 61244-93-7 |
| C$_3$H$_2$O$_2$ | propiolic acid | 471-25-0 |
| C$_3$H$_3$ | cyclopropenyl radical | 28933-84-8 |
| C$_3$H$_3$ | propargyl radical | 2932-78-7 |
| C$_3$H$_3$Br$_3$O$_2$ | methyl tribromoacetate | 3222-05-7 |
| C$_3$H$_3$ClO$_3$ | methyl oxalyl chloride | 5781-53-3 |
| C$_3$H$_3$F$_3$N$_2$O$_2$ | trifluoroacetylurea | 760-41-8 |
| C$_3$H$_3$F$_5$O | methyl pentafluoroethyl ether | 22410-44-2 |
| C$_3$H$_3$NO | acetyl cyanide | 631-57-2 |
| C$_3$H$_3$NO | isoxazole | 288-14-2 |
| C$_3$H$_3$NO | oxazole | 288-42-6 |
| C$_3$H$_3$NO | propiolamide | 7341-96-0 |
| C$_3$H$_3$NS | isothiazole | 288-16-4 |
| C$_3$H$_3$NS | thiazole | 288-47-1 |
| C$_3$H$_3$O | propenoyl radical | 72241-20-4 |
| C$_3$H$_4$ | cyclopropene | 2781-85-3 |
| C$_3$H$_4$ | propyne | 74-99-7 |
| C$_3$H$_4$BrClO$_2$ | methyl bromochloroacetate | 20428-74-4 |
| C$_3$H$_4$Cl$_2$F$_2$O | methoxyflurane | 76-38-0 |
| C$_3$H$_4$F$_2$O$_2$ | methyl difluoroacetate | 433-53-4 |
| C$_3$H$_4$N$_2$ | methyleneaminoacetonitrile | 109-82-0 |
| C$_3$H$_4$O | cyclopropanone | 5009-27-8 |
| C$_3$H$_4$O | methoxyacetylene | 6443-91-0 |
| C$_3$H$_4$O | methylketene | 6004-44-0 |
| C$_3$H$_4$O$_2$ | glycidaldehyde | 765-34-4 |
| C$_3$H$_4$O$_2$ | propanedial | 542-78-9 |
| C$_3$H$_4$O$_3$ | ethylene carbonate | 96-49-1 |
| C$_3$H$_4$O$_3$ | methyl glyoxylate | 922-68-9 |
| C$_3$H$_4$O$_3$ | pyruvic acid | 127-17-3 |
| C$_3$H$_4$O$_3$ | tartronaldehyde | 497-15-4 |
| C$_3$H$_4$O$_4$ | malonic acid | 141-82-2 |
| C$_3$H$_4$O$_5$ | tartronic acid | 80-69-3 |
| C$_3$H$_4$S | methylthioacetylene | 10152-75-7 |
| C$_3$H$_4$S | thioacrolein | 53439-64-8 |
| C$_3$H$_5$ | allyl radical | 1981-80-2 |
| C$_3$H$_5$ | cyclopropyl radical | 2417-82-5 |
| C$_3$H$_5$Br | cyclopropyl bromide | 4333-56-6 |
| C$_3$H$_5$BrO | propionyl bromide | 598-22-1 |
| C$_3$H$_5$ClN$_2$ | imidazole hydrochloride | 1467-16-9 |
| C$_3$H$_5$ClO | epichlorohydrin | 13403-37-7 |
| C$_3$H$_5$ClO | propanoyl chloride | 79-03-8 |
| C$_3$H$_5$ClO$_2$ | chloromethyl ethanoate | 625-56-9 |
| C$_3$H$_5$ClO$_2$ | methoxyacetyl chloride | 38870-89-2 |
| C$_3$H$_5$Cl$_2$OP | allylphosphonic dichloride | 1498-47-1 |
| C$_3$H$_5$CsO$_2$ | caesium propionate | 38869-24-8 |
| C$_3$H$_5$FO | propionyl fluoride | 430-71-7 |
| C$_3$H$_5$FO$_2$ | methyl fluoroacetate | 453-18-9 |
| C$_3$H$_5$KO$_2$ | potassium propionate | 327-62-8 |
| C$_3$H$_5$LiO$_2$ | lithium propionate | 6531-45-9 |
| C$_3$H$_5$N | cyclopropanimine | 54376-32-8 |
| C$_3$H$_5$N | propanenitrile | 107-12-0 |
| C$_3$H$_5$N | propargylamine | 2450-71-7 |
| C$_3$H$_5$N | vinylimine | 18295-52-8 |
| C$_3$H$_5$NO | acrylamide | 79-06-1 |
| C$_3$H$_5$NO | methoxyacetonitrile | 1738-36-9 |
| C$_3$H$_5$NOS | methoxymethyl isothiocyanate | 19900-84-6 |
| C$_3$H$_5$NO$_2$S | methanesulfonylacetonitrile | 2274-42-2 |
| C$_3$H$_5$NO$_3$ | nitroacetone | 10230-68-9 |
| C$_3$H$_5$N$_3$O$_3$ | glyoxylic acid semicarbazone | 928-73-4 |
| C$_3$H$_5$N$_3$O$_9$ | nitroglycerin | 55-63-0 |
| C$_3$H$_5$NaO$_2$ | sodium propanoate | 137-40-6 |
| C$_3$H$_5$O | propionyl radical | 15843-24-0 |
| C$_3$H$_5$O$_2$Rb | rubidium propionate | 19559-54-7 |
| C$_3$H$_5$O$_2$Tl | thallium propionate | 63424-48-6 |
| C$_3$H$_6$ | cyclopropane | 75-19-4 |
| C$_3$H$_6$ | propene | 115-07-1 |
| C$_3$H$_6$BrNO$_4$ | bronopol | 52-51-7 |
| C$_3$H$_6$Cl$_2$Si | dichloromethylvinylsilane | 124-70-9 |
| C$_3$H$_6$N$_2$O$_2$ | cycloserine | 68-41-7 |
| C$_3$H$_6$N$_2$O$_2$ | propanediamide | 108-13-4 |
| C$_3$H$_6$N$_2$S | ethenylthiourea | 1483-58-5 |
| C$_3$H$_6$O | acetone | 67-64-1 |
| C$_3$H$_6$O | cyclopropanol | 16545-68-9 |
| C$_3$H$_6$O | oxetane | 503-30-0 |
| C$_3$H$_6$O | propanal | 123-38-6 |
| C$_3$H$_6$O | propylene oxide | 75-56-9 |
| C$_3$H$_6$OS | ethyl thioformate | 21071-39-6 |
| C$_3$H$_6$OSe | methylselenoacetate | 209530-82-5 |
| C$_3$H$_6$O$_2$ | glycidol | 556-52-5 |
| C$_3$H$_6$O$_2$ | propanoic acid | 79-09-4 |
| C$_3$H$_6$O$_2$ | Hydroxyacetone | 116-09-6 |
| C$_3$H$_6$O$_3$ | lactic acid | 598-82-3 |
| C$_3$H$_6$O$_3$ | methoxymethyl formate | 4382-75-6 |
| C$_3$H$_6$O$_3$ | methylene glycol monoacetate | 86011-33-8 |
| C$_3$H$_6$O$_3$ | methylglyoxal hydrate | 1186-47-6 |
| C$_3$H$_6$S | allyl mercaptan | 870-23-5 |
| C$_3$H$_6$S | methyl vinyl sulfide | 1822-74-8 |
| C$_3$H$_6$S | thietane | 287-27-4 |
| C$_3$H$_6$S | thioacetone | 4756-05-2 |
| C$_3$H$_6$S$_2$ | methyl dithioacetate | 2168-84-5 |
| C$_3$H$_7$ | isopropyl radical | 2025-55-0 |
| C$_3$H$_7$BF$_2$ | isopropyldifluoroborane | 3857-03-2 |
| C$_3$H$_7$BrHg | isopropryl mercuric bromide | 18819-83-5 |
| C$_3$H$_7$ClHg | chloropropylmercury | 2440-40-6 |
| C$_3$H$_7$ClHg | isopropyl mercuric chloride | 30615-19-1 |
| C$_3$H$_7$ClN$_6$ | melamine hydrochloride | 626-32-4 |
| C$_3$H$_7$Cl$_2$P | dichloropropylphosphine | 15573-31-6 |
| C$_3$H$_7$Cl$_3$Si | dichloromethylmethyldichlorosilane | 18171-56-7 |
| C$_3$H$_7$HgI | isopropyl mercuric iodide | 38455-14-0 |
| C$_3$H$_7$N | azetidine | 503-29-7 |
| C$_3$H$_7$N | cyclopropylamine | 765-30-0 |
| C$_3$H$_7$NO | isoxazolidine | 504-72-3 |
| C$_3$H$_7$NO | propanamide | 79-05-0 |
| C$_3$H$_7$NO$_2$ | alanine | 56-41-7 |
| C$_3$H$_7$NO$_2$ | nitropropane | 25322-01-4 |
| C$_3$H$_7$NO$_2$ | propyl nitrite | 543-67-9 |
| C$_3$H$_7$NO$_2$ | sarcosine | 107-97-1 |
| C$_3$H$_7$NO$_2$ | urethane | 51-79-6 |
| C$_3$H$_7$NO$_3$ | isoserine | 632-12-2 |
| C$_3$H$_7$S | propylthio radical | 4985-58-4 |
| C$_3$H$_8$ | propane | 74-98-6 |
| C$_3$H$_8$Cl$_2$Si | dichloroethylmethylsilane | 4525-44-4 |
| C$_3$H$_8$FO$_2$P | ethyl methylphosphonofluoridate | 673-97-2 |
| C$_3$H$_8$FO$_2$P | methyl ethylphosphonofluoridate | 665-03-2 |
| C$_3$H$_8$N$_2$ | pyrazolidine | 504-70-1 |
| C$_3$H$_8$N$_2$O$_3$ | dimethanolurea | 140-95-4 |
| C$_3$H$_8$N$_4$O$_2$ | propanedioyl dihydrazide | 3815-86-9 |
| C$_3$H$_8$O | isopropyl alcohol | 67-63-0 |
| C$_3$H$_8$OS$_2$ | dimercaprol | 59-52-9 |
| C$_3$H$_8$O$_2$ | propylene glycol | 57-55-6 |
| C$_3$H$_8$O$_2$ | propylhydroperoxide | 6068-96-8 |
| C$_3$H$_8$O$_2$S | ethanesulfinic acid methyl ester | 31401-21-5 |
| C$_3$H$_8$O$_2$S | monothioglycerol | 96-27-5 |
| C$_3$H$_8$O$_3$S | sulfurous acid ethyl methyl ester | 10315-59-0 |
| C$_3$H$_8$S$_2$ | 2,4-dithiapentane | 1618-26-4 |
| C$_3$H$_8$S$_2$ | methyl ethyl disulfide | 20333-39-5 |
| C$_3$H$_8$Si | silacyclobutane | 287-29-6 |
| C$_3$H$_9$Al | trimethylaluminium | 75-24-1 |
| C$_3$H$_9$AsS | dimethyl methylthioarsine | 38859-90-4 |
| C$_3$H$_9$AsSe | dimethyl methylselenoarsine | 73076-88-7 |
| C$_3$H$_9$BF$_3$N | trimethylaminetrifluoroborane | 420-20-2 |
| C$_3$H$_9$BS$_3$ | trimethyl trithioborate | 997-49-9 |
| C$_3$H$_9$BrGe | bromotrimethylgermane | 1066-37-1 |
| C$_3$H$_9$BrPb | trimethyl lead bromide | 6148-48-7 |
| C$_3$H$_9$BrSi | bromotrimethylsilane | 2857-97-8 |
| C$_3$H$_9$BrSn | trimethyltin bromide | 1066-44-0 |
| C$_3$H$_9$Br$_2$Sb | trimethylantimony dibromide | 24606-08-4 |
| C$_3$H$_9$ClFSb | chlorofluorotrimethylantimony | 13077-54-8 |
| C$_3$H$_9$ClGe | trimethylgermanium chloride | 1529-47-1 |
| C$_3$H$_9$ClPb | trimethyllead chloride | 1520-78-1 |
| C$_3$H$_9$Cl$_2$Sb | trimethylantimony dichloride | 13059-67-1 |
| C$_3$H$_9$FGe | trimethylgermyl fluoride | 661-37-0 |
| C$_3$H$_9$Ga | gallium trimethyl | 1445-79-0 |
| C$_3$H$_9$ISi | iodotrimethylsilane | 16029-98-4 |
| C$_3$H$_9$I$_2$Sb | trimethylantimony diiodide | 13077-53-7 |
| C$_3$H$_9$In | trimethylindium | 3385-78-2 |
| C$_3$H$_9$N | ethylmethylamine | 624-78-2 |
| C$_3$H$_9$N | isopropylamine | 75-31-0 |
| C$_3$H$_9$N | propylamine | 107-10-8 |
| C$_3$H$_9$N | trimethylamine | 75-50-3 |
| C$_3$H$_9$NO | N-Methylethanolamine | 109-83-1 |
| C$_3$H$_9$NO | dimethylaminomethanol | 14002-21-2 |
| C$_3$H$_9$NO | trimethylhydroxylamine | 5669-39-6 |
| C$_3$H$_9$N$_3$OS | cysteine hydrazide | 70470-68-7 |
| C$_3$H$_9$N$_3$Si | azidotrimethylsilane | 4648-54-8 |
| C$_3$H$_9$N$_9$ | cyanuric trihydrazide | 10105-42-7 |
| C$_3$H$_9$OP | trimethylphosphine oxide | 676-96-0 |
| C$_3$H$_9$PS | dimethyl methylthiophosphine | 35449-60-6 |
| C$_3$H$_9$PS | trimethylphosphine sulfide | 2404-55-9 |
| C$_3$H$_9$PSe | dimethyl methylselenophosphine | 24490-39-9 |
| C$_3$H$_9$P$_2$ | trimethyldiphosphinyl radical | 89148-95-8 |
| C$_3$H$_9$Si | trimethylsilyl radical | 16571-41-8 |
| C$_3$H$_9$Sn | trimethyltin | 17272-57-0 |
| C$_3$H$_9$Tl | trimethyl thallium | 3003-15-4 |
| C$_3$H$_{10}$CdCl$_3$N | trimethylammonium trichlorocadmate | 68778-49-4 |
| C$_3$H$_{10}$Ge | trimethylgermane | 1449-63-4 |
| C$_3$H$_{10}$N$_2$ | 1,3-Diaminopropane | 109-76-2 |
| C$_3$H$_{10}$N$_2$O$_3$ | isopropylamine nitrate | 87478-71-5 |
| C$_3$H$_{10}$O$_3$Si | trimethoxysilane | 2487-90-3 |
| C$_3$H$_{10}$Si | isopropylsilane | 18230-84-7 |
| C$_3$H$_{12}$CdCl$_4$N$_2$ | propyldiammonium cadmium tetrachloride | 60970-45-8 |
| C$_3$H$_{12}$Cl$_4$MnN$_2$ | propyldiammonium manganese tetrachloride | 59683-18-0 |
| C$_3$H$_{12}$N$_6$O$_3$ | guanidine carbonate | 593-85-1 |
| C$_3$IN | iodocyanoacetylene | 2003-32-9 |
| C$_3$La | lanthanum tricarbide | 12602-63-0 |
| C$_3$Mg$_2$ | magnesium carbide | 12151-74-5 |
| C$_3$N | cyanoethynyl radical | 12543-75-8 |
| C$_3$N$_2$O | oxopropanedinitrile | 1115-12-4 |
| C$_3$N$_3$P | tricyanophosphine | 1116-01-4 |
| C$_3$O$_2$ | carbon suboxide | 504-64-3 |
| C$_3$Si$_2$ | disilicon tricarbide | 12327-32-1 |
| C$_3$Th | thorium tricarbide | 69553-67-9 |