I 
116TH CONGRESS 
1ST SESSION H. R. 2935 
To amend the Controlled Substances Act to list fentanyl-related substances 
as schedule I controlled substances. 
IN THE HOUSE OF REPRESENTATIVES 
MAY 22, 2019 
Mr. SENSENBRENNER (for himself and Mr. FITZPATRICK) introduced the fol-
lowing bill; which was referred to the Committee on Energy and Com-
merce, and in addition to the Committee on the Judiciary, for a period 
to be subsequently determined by the Speaker, in each case for consider-
ation of such provisions as fall within the jurisdiction of the committee 
concerned 
A BILL 
To amend the Controlled Substances Act to list fentanyl- 
related substances as schedule I controlled substances. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Stopping Overdoses 
of Fentanyl Analogues Act’’. 
SEC. 2. FENTANYL RELATED SUBSTANCES. 
Section 202(c) of the Controlled Substances Act (21 
U.S.C. 812) is amended— 
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(1) by adding at the end of subsection (b) of 
Schedule I the following: 
‘‘(23) Isobutyryl fentanyl. 
‘‘(24) Para-methoxybutyrylfentanyl. 
‘‘(25) Valeryl fentanyl. 
‘‘(26) Cyclopentyl fentanyl. 
‘‘(27) Para-chloroisobutyryl fentanyl.’’; and 
(2) by adding at the end of Schedule I the fol-
lowing: 
‘‘(e)(1) Unless specifically exempted or unless listed 
in another schedule, any material, compound, mixture, or 
preparation which contains any quantity of fentanyl-re-
lated substances, or which contains their salts, isomers, 
and salts of isomers whenever the existence of such salts, 
isomers, and salts of isomers is possible within the specific 
chemical designation. 
‘‘(2) In paragraph (1), the term ‘fentanyl-related sub-
stances’ includes the following: 
‘‘(A) Any substance that is structurally related 
to fentanyl by one or more of the following modifica-
tions: 
‘‘(i) By replacement of the phenyl portion 
of the phenethyl group by any monocycle, 
whether or not further substituted in or on the 
monocycle. 
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‘‘(ii) By substitution in or on the phenethyl 
group with alkyl, alkenyl, alkoxy, hydroxy, halo, 
haloalkyl, amino, or nitro groups. 
‘‘(iii) By substitution in or on the piper-
idine ring with alkyl, alkenyl, alkoxy, ester, 
ether, hydroxy, halo, haloalkyl, amino, or nitro 
groups. 
‘‘(iv) By replacement of the aniline ring 
with any aromatic monocycle, whether or not 
further substituted in or on the aromatic mono-
cycle. 
‘‘(v) By replacement of the N-propionyl 
group by another acyl group. 
‘‘(B) 4031′-methyl acetyl fentanyl. 
‘‘(C) Crotonyl fentanyl. 
‘‘(D) 2031′-fluoro ortho-fluorofentanyl. 
‘‘(E) Ortho-methyl acetylfentanyl. 
‘‘(F) Thiofuranyl fentanyl. 
‘‘(G) Ortho-fluorobutyryl fentanyl. 
‘‘(H) Ortho-fluoroacryl fentanyl. 
‘‘(I) Beta-methyl fentanyl. 
‘‘(J) Phenyl fentanyl. 
‘‘(K) Para-methylfentanyl. 
‘‘(L) Beta031′-phenyl fentanyl. 
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‘‘(M) Benzodioxole fentanyl.’’. 
Æ 
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