Schedule I
Source: Canadian Legal Information Institute (CanLII). Controlled Drugs and Substances Act, S.C. 1996, c. 19, as amended
3.
Phenylpiperidines, their intermediates, salts, derivatives and analogues and salts of intermediates, derivatives and analogues, including:
UK: MDA Part I Class A Section 1(e) Pethidine [derivatives]
(1)
Allylprodine (3-Allyl-1-methyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Allylprodine
UN: Narcotics Part 1 Section 1 Allylprodine
US: CSA Schedule I Section b Subsection 3 Allylprodine
(2)
Alphameprodine (α-3-Ethyl-1-methyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Alphameprodine
UN: Narcotics Part 1 Section 1 Alphameprodine
US: CSA Schedule I Section b Subsection 5 Alphameprodine
(3)
Alphaprodine (α-1,3-Dimethyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Alphaprodine
UN: Narcotics Part 1 Section 1 Alphaprodine
US: CSA Schedule II Section c Subsection 2 Alphaprodine
(4)
Anileridine (Ethyl 1-[2-(p-aminophenyl)ethyl]-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Anileridine
UN: Narcotics Part 1 Section 1 Anileridine
US: CSA Schedule II Section c Subsection 3 Anileridine
(5)
Betameprodine (β-3-Ethyl-1-methyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Betameprodine
UN: Narcotics Part 1 Section 1 Betameprodine
US: CSA Schedule I Section b Subsection 13 Betameprodine
(6)
Betaprodine (β-1,3-Dimethyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Betaprodine
UN: Narcotics Part 1 Section 1 Betaprodine
US: CSA Schedule I Section b Subsection 15 Betaprodine
(7)
Benzethidine (Ethyl 1-(2-benzyloxyethyl)-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Benzethidine
UN: Narcotics Part 1 Section 1 Benzethidine
US: CSA Schedule I Section b Subsection 9 Benzethidine
(8)
Diphenoxylate (Ethyl 1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Diphenoxylate
UN: Narcotics Part 1 Section 1 Diphenoxylate and Part 2 Section 6 Diphenoxylate
US: CSA Schedule II Section c Subsection 8 Diphenoxylate and Schedule V Section c Subsection 4 Diphenoxylate
(9)
Difenoxin (1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Difenoxin
(10)
Etoxeridine (Ethyl 1-[2-(2-hydroxyethoxy)ethyl]-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Etoxeridine
UN: Narcotics Part 1 Section 1 Etoxeridine
US: CSA Schedule I Section b Subsection 28 Etoxeridine
(11)
Furethidine (Ethyl 1-(2-tetrahydrofurfuryloxyethyl)-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Furethidine
UN: Narcotics Part 1 Section 1 Furethidine
US: CSA Schedule I Section b Subsection 29 Furethidine
(12)
Hydroxypethidine (Ethyl 4-(m-hydroxyphenyl)-1-methyl-4-phenylpiperidine-4-carboxylate)
UK: [revoked] MDA Part I Class A Section 1(a) Hydroxypethidine
UN: Narcotics Part 1 Section 1 Hydroxypethidine
US: CSA Schedule I Section b Subsection 30 Hydroxypethidine
(13)
Ketobemidone (1-[4-(m-Hydroxyphenyl)-1-methyl-4-piperidyl]-1-propanone)
UK: MDA Part I Class A Section 1(a) Ketobemidone
UN: Narcotics Part 1 Section 1 Ketobemidone and Section 3 Ketobemidone
US: CSA Schedule I Section b Subsection 31 Ketobemidone
(14)
Methylphenylisonipecotonitrile (4-Cyano-1-methyl-4-phenylpiperidine)
UK: MDA Part I Class A Section 1(a) 4-Cyano-1-methyl-4-phenylpiperidine
UN: Narcotics Part 1 Section 1 Pethidine intermediate A
US: CSA Schedule II Section c Subsection 19 Pethidine-intermediate-A
(15)
Morpheridine (Ethyl 1-(2-morpholinoethyl)-4-phenylpiperidine-4-carboxylate)
[With thanks to Zuo Ning for reporting an error in the chemical name given previously for this substance.]
UK: MDA Part I Class A Section 1(a) Morpheridine
UN: Narcotics Part 1 Section 1 Morpheridine
US: CSA Schedule I Section b Subsection 36 Morpheridine
(16)
Norpethidine (Ethyl 4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) 4-Phenylpiperidine-4-carboxylic acid ethyl ester
UN: Narcotics Part 1 Section 1 Pethidine intermediate B
US: CSA Schedule II Section c Subsection 20 Pethidine-intermediate-B
(18)
Phenoperidine (Ethyl 1-(3-hydroxy-3-phenylpropyl)-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Phenoperidine
UN: Narcotics Part 1 Section 1 Phenoperidine
US: CSA Schedule I Section b Subsection 47 Phenoperidine
(19)
Piminodine (Ethyl 1-[3-(phenylamino)propyl]-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Piminodine
UN: Narcotics Part 1 Section 1 Piminodine
US: CSA Schedule II Section c Subsection 23 Piminodine
(20)
Properidine (Isopropyl 1-methyl-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) Properidine
UN: Narcotics Part 1 Section 1 Properidine
US: CSA Schedule I Section b Subsection 50 Properidine
(21)
Trimeperidine (1,2,5-Trimethyl-4-phenyl-4-piperidyl propionate)
UK: MDA Part I Class A Section 1(a) Trimeperidine
UN: Narcotics Part 1 Section 1 Trimeperidine
US: CSA Schedule I Section b Subsection 55 Trimeperidine
(22)
Pethidine intermediate C (1-Methyl-4-phenylpiperidine-4-carboxylate)
UK: MDA Part I Class A Section 1(a) 1-Methyl-4-phenylpiperidine-4-carboxylic acid
UN: Narcotics Part 1 Section 1 Pethidine intermediate C
US: CSA Schedule II Section c Subsection 21 Pethidine-intermediate-C
but not including
(23)
Carbamethidine (Ethyl 1-(2-carbamylethyl)-4-phenylpiperidine-4-carboxylate)
Effective 22 Apr 1997, SOR/97-230 replacement for:
Carbamethidine (Ethyl 1-(2-hydroxy-2-phenylethyl)-4-phenylpiperidine-4-carboxylate)
The name “Carbamethidine” is unknown outside this legislation, however the chemical name corresponds to a known substance, “Carperidine.”
(24)
Oxpheneridine (Ethyl 1-(2-hydroxy-2-phenylethyl)-4-phenylpiperidine-4-carboxylate)
Effective 22 Apr 1997, SOR/97-230 replacement for:
Oxpheneridine (Ethyl 1-(2-hydroxy-2,2-phenylethyl)-4-phenylpiperidine-4-carboxylate)
11 March 2016 · 
· Isomer Design
· Isomer Design