No. S 454
Misuse of Drugs Act 1973
Misuse of Drugs
(Amendment No. 2) Regulations 2023
In exercise of the powers conferred by section 58 of the Misuse of Drugs Act 1973, the Minister for Home Affairs makes the following Regulations:
Citation and commencement
1.  These Regulations are the Misuse of Drugs (Amendment No. 2) Regulations 2023 and come into operation on 1 July 2023.
Amendment of Fourth Schedule
2.  In the Misuse of Drugs Regulations (Rg 1), in the Fourth Schedule —
(a)in paragraph 1, in item (6), after “derivatives”, insert “as defined in Part 4 of the First Schedule to the Act”;
(b)in paragraph 15, in item (c), after “alkyl”, insert “, cycloalkyl”;
(c)in paragraph 15, after item (1), insert —
“(1AAA)
1-(1,3-Benzodioxol-5-yl)-2-(cyclohexylamino)propan-1-one (also known as 3,4-methylenedioxy-N-cyclohexylcathinone or 3,4-methylenedioxy-α-cyclohexylaminopropiophenone or N‑cyclohexylmethylone or Cyputylone)”;
(d)in paragraph 15, after item (1A), insert —
“(1ABA)
1-(1,3-Benzodioxol-5-yl)-2-(dimethylamino)pentan-1-one (also known as N,N-dimethylpentylone, dipentylone or bk‑DMBDP)”;
(e)in paragraph 15, after item (20), insert —
“(20A)
4-Methyl-1-phenyl-2-(pyrrolidin-1-yl)pentan-1-one (also known as α-PiHP or α‑pyrrolidinoisohexanophenone)”;
(f)in paragraph 15, after item (21), insert —
“(21A)
1-(3-Methylphenyl)-2-(methylamino)propan-1-one (also known as 3‑methylmethcathinone, metaphedrone or 3‑MMC)”;
(g)in paragraph 16, in item (c), after “alkyl”, insert “, cycloalkyl”;
(h)in paragraph 17, in item (2B), before “bromo positional isomers”, insert “N-(1-amino-1-oxohexan-2-yl) isomers and their respective”;
(i)in paragraph 17, after item (6H), insert —
“(6I)
2-(2-(4-Butoxybenzyl)-5-nitro-1H-benzo[d]imidazol-1-yl)-N,N-diethylethan-1-amine (also known as butonitazene or butoxynitazene) and its diethylamino and butoxy structural isomers and their respective butoxy positional isomers in the phenyl ring and nitro positional isomers in the 6‑membered ring of the benzimidazole structure”;
(j)in paragraph 17, after item (8AB), insert —
“(8AC)
5-(Cyclobutylmethyl)-2-(2-phenylpropan-2-yl)-pyrido[4,3-b]indol-1-one (also known as Cumyl-CB-MeGACLONE, Cumyl-CBMGACLONE, cumyl-cyclobutylmethyl-gammacarbolinone or SGT‑273) and its phenylpropyl isomers”;
(k)in paragraph 17, after item (8B), insert —
“(8BA)
N-Cyclohexyl-2-(1-(4-hydroxypentyl)-1H-indol-3-yl)acetamide and its hydroxy positional isomers in the pentyl group
(8BB)
N-Cyclohexyl-2-(1-pentyl-1H-indol-3-yl)acetamide (also known as CH‑PIATA)”;
(l)in paragraph 17, after item (10D), insert —
“(10E)
N,N-Diethyl-2-(2-(4-propoxybenzyl)-5-nitro-1H-benzo[d]imidazol-1-yl)ethan-1-amine (also known as protonitazene or propoxynitazene) and its diethylamino structural isomers and their respective propoxy positional isomers in the phenyl ring and nitro positional isomers in the 6‑membered ring of the benzimidazole structure”;
(m)in paragraph 17, after item (19), insert —
“(19AAA)
2-(2-(4-Ethoxybenzyl)-1H-benzo[d]imidazol-1-yl)-N,N-diethylethan-1-amine (also known as etodesnitazene, etazene, etazen, etazone or desnitroetonitazene) and its diethylamino structural isomers and their respective ethoxy positional isomers in the phenyl ring
(19AAB)
2-(4-Ethoxybenzyl)-5-nitro-1-(2-pyrrolidin-1-ylethyl)-1H-benzimidazole (also known as etonitazepyne or N-pyrrolidino etonitazene) and its ethoxy positional isomers in the phenyl ring and their respective nitro positional isomers in the 6‑membered ring of the benzimidazole structure”;
(n)in paragraph 17, after item (22A), insert —
“(22B)
N’-(1-Hexyl-2-oxoindolin-3-ylidene)-4-hydroxybenzohydrazide and its hydroxy positional isomers in the phenyl ring”;
(o)in paragraph 17, after item (25), insert —
“(25AA)
N’-(1-(4-Hydroxycyclohexylmethyl)-2-oxoindolin-3-ylidene)benzohydrazide and its hydroxy positional isomers in the cyclohexyl group”;
(p)in paragraph 17, after item (31), insert —
“(31A)
1-(2-Methyl-4-(3-phenyl-prop-2-en-1-yl)-piperazin-1-yl)-1-butanone (also known as 2-methyl-AP-237 or 2‑methyl buccinazine) and its methyl positional isomers in the piperazinyl ring”; and
(q)in the following provisions, replace “alkyl phenyl” with “arylalkyl”:
Paragraph 19(a), item (xi)
Paragraph 19(b), item (vi)
Paragraph 20(a), item (xi)
Paragraph 20(b), item (vi)
Paragraph 21(a), item (xi)
Paragraph 21(b), item (vi).
[G.N. Nos. S 390/99; S 231/2000; S 436/2000; S 140/2001; S 492/2001; S 506/2005; S 490/2006; S 108/2007; S 525/2010; S 684/2010; S 270/2013; S 322/2014; S 571/2014; S 253/2015; S 199/2016; S 193/2017; S 234/2018; S 588/2018; S 88/2019; S 151/2019; S 353/2019; S 791/2019; S 350/2020; S 750/2020; S 283/2021; S 939/2021; S 439/2022; S 464/2022; S 399/2023]
Made on 27 June 2023.
PANG KIN KEONG
Permanent Secretary,
Ministry of Home Affairs,
Singapore.
[MHA 112/2/49 VOL 1; AG/LEGIS/SL/185/2020/7 Vol. 1]