(1-bromocyclopentyl)(2-chlorophenyl)methanone CAS 6740-86-9 ketamine precursor DEA Special Surveillance List
(2-chlorophenyl)(cyclopentyl)methanone CAS 6740-85-8 ketamine precursor DEA Special Surveillance List
1,4-Butanediol CAS 110-63-4 GHB precursor Voluntary monitoring DEA Special Surveillance List EU Voluntary Monitoring List 2016
1-((2-chlorophenyl)(methylimino)methyl)cyclopentane-1-ol CAS 6740-87-0 ketamine precursor DEA Special Surveillance List
1-(4-chlorophenyl)propan-1-one CAS 6285-05-8 cathinone precursor added 2026 category 1 category 1 NI NI BAFA
1-(4-methylphenyl)propan-1-one CAS 5337-93-9 cathinone precursor added 2026 category 1 category 1 NI BAFA DEA Special Surveillance List
1-Chloro-N-methyl-1-phenylpropan-2-amine CAS 25394-33-6 chloroephedrine DEA Special Surveillance List
2-Bromo-1-(4-chlorophenyl)propan-1-one CAS 877-37-2 cathinone precursor category 1 category 1 NI NI BAFA DEA Special Surveillance List
2-Bromo-1-(4-methoxyphenyl)propan-1-one CAS 21086-33-9 cathinone precursor DEA Special Surveillance List
2-Bromo-1-(4-methylphenyl)propan-1-one CAS 1451-82-7 cathinone precursor category 1 category 1 NI NI BAFA DEA Special Surveillance List