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BAFA 91 nitazene precursor 61 cathinone precursor 12 cannabinoid precursor 11 EU Scheduled Precursors 9 UK Drug Precursors 9 category 1 8 category 1 NI 8 NI 7 apinaca precursor 7 DEA Special Surveillance List 6 added 2026 4 amphetamine precursor 1 category 2B 1 DEA List I 1 EU Voluntary Monitoring List 2016 1 INCB Red List 1 non scheduled 1 table I 1 voluntary monitoring 1 2C precursor 0 allotrope 0 catalyst 0 category 2A 0 category 3 0 chloroephedrine 0 cocaine reagent 0 DEA List II 0 designer precursor 0 fentanyl precursor 0 gas 0 GHB precursor 0 ketamine precursor 0 LSD precursor 0 MDMA precursor 0 metal 0 methaqualone precursor 0 PCP precursor 0 reagent 0 reducing agent 0 solvent 0 table II 0 Voluntary monitoring 0

Structure of (1S,4R)-p-Mentha-2,8-dien-1-ol

(1S,4R)-p-Mentha-2,8-dien-1-ol

CAS 22972-51-6

cannabinoid precursor BAFA

Structure of 1,3-Dimethoxy-5-octylbenzene

1,3-Dimethoxy-5-octylbenzene

CAS 41497-46-5

cannabinoid precursor BAFA

Structure of 1-(4-chlorophenyl)propan-1-one

1-(4-chlorophenyl)propan-1-one

CAS 6285-05-8

cathinone precursor added 2026 category 1 category 1 NI NI BAFA

Structure of 1-(4-methylphenyl)propan-1-one

1-(4-methylphenyl)propan-1-one

CAS 5337-93-9

cathinone precursor added 2026 category 1 category 1 NI BAFA DEA Special Surveillance List

Structure of 1-(5-Fluoropentyl)-1H-indazole-3-carboxylic acid

1-(5-Fluoropentyl)-1H-indazole-3-carboxylic acid

CAS 1535166-43-8

apinaca precursor BAFA

Structure of 1-Butyl-3,5-dimethoxybenzene

1-Butyl-3,5-dimethoxybenzene

CAS 51768-57-1

cannabinoid precursor BAFA

Structure of 1-Chloro-2,4-dinitrobenzene

1-Chloro-2,4-dinitrobenzene

CAS 97-00-7

nitazene precursor BAFA DEA Special Surveillance List

Structure of 1-Heptyl-3,5-dimethoxybenzene

1-Heptyl-3,5-dimethoxybenzene

CAS 6121-64-8

cannabinoid precursor BAFA

Structure of 1-Hexyl-3,5-dimethoxybenzene

1-Hexyl-3,5-dimethoxybenzene

CAS 41497-45-4

cannabinoid precursor BAFA

Structure of 1-Pentyl-1H-indazole-3-carboxylic acid

1-Pentyl-1H-indazole-3-carboxylic acid

CAS 1283576-17-9

apinaca precursor BAFA

Structure of 1-chloro-2-nitrobenzene

1-chloro-2-nitrobenzene

CAS 88-73-3

nitazene precursor BAFA

Structure of 1-fluoro-2,4-dinitrobenzene

1-fluoro-2,4-dinitrobenzene

CAS 70-34-8

nitazene precursor BAFA

Structure of 1-fluoro-2-nitrobenzene

1-fluoro-2-nitrobenzene

CAS 1493-27-2

nitazene precursor BAFA

Structure of 1H-Indazole-3-carboxylic acid

1H-Indazole-3-carboxylic acid

CAS 4498-67-3

apinaca precursor BAFA

Structure of 2,4-dinitro-N-(2-(piperidin-1-yl)ethyl)aniline

2,4-dinitro-N-(2-(piperidin-1-yl)ethyl)aniline

CAS 56820-43-0

nitazene precursor BAFA

Structure of 2,4-dinitro-N-(2-(pyrrolidin-1-yl)ethyl)aniline

2,4-dinitro-N-(2-(pyrrolidin-1-yl)ethyl)aniline

CAS 832103-06-7

nitazene precursor BAFA

Structure of 2-(4-(ethylthio)phenyl)acetaldehyde

2-(4-(ethylthio)phenyl)acetaldehyde

CAS 1780974-65-3

nitazene precursor BAFA

Structure of 2-(4-(ethylthio)phenyl)acetic acid

2-(4-(ethylthio)phenyl)acetic acid

CAS 3583-58-2

nitazene precursor BAFA

Structure of 2-(4-(methylthio)phenyl)acetaldehyde

2-(4-(methylthio)phenyl)acetaldehyde

CAS 109347-44-6

nitazene precursor BAFA

Structure of 2-(4-(propylthio)phenyl)acetaldehyde

2-(4-(propylthio)phenyl)acetaldehyde

nitazene precursor BAFA

Structure of 2-(4-(propylthio)phenyl)acetic acid

2-(4-(propylthio)phenyl)acetic acid

CAS 3583-59-3

nitazene precursor BAFA

Structure of 2-(4-butoxyphenyl)acetaldehyde

2-(4-butoxyphenyl)acetaldehyde

CAS 1432494-22-8

nitazene precursor BAFA

Structure of 2-(4-butoxyphenyl)acetic acid

2-(4-butoxyphenyl)acetic acid

CAS 4547-57-3

nitazene precursor BAFA

Structure of 2-(4-butylphenyl)acetaldehyde

2-(4-butylphenyl)acetaldehyde

CAS 198759-20-5

nitazene precursor BAFA