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EU Scheduled Precursors 58 UK Drug Precursors 54 category 1 43 INCB Red List 41 table I 31 DEA List I 29 amphetamine precursor 16 designer precursor 11 BAFA 9 category 1 NI 9 NI 8 cathinone precursor 8 DEA List II 8 table II 8 DEA Special Surveillance List 7 fentanyl precursor 7 MDMA precursor 7 category 3 6 chloroephedrine 5 added 2026 4 category 2B 4 solvent 4 LSD precursor 3 reagent 3 category 2A 2 methaqualone precursor 2 allotrope 1 cocaine reagent 1 EU Voluntary Monitoring List 2016 1 nitazene precursor 1 non scheduled 1 PCP precursor 1 voluntary monitoring 1 2C precursor 0 apinaca precursor 0 cannabinoid precursor 0 catalyst 0 gas 0 GHB precursor 0 ketamine precursor 0 metal 0 reducing agent 0 Voluntary monitoring 0
Structure of (1R,2R)-(-)-chloropseudoephedrine

(1R,2R)-(-)-chloropseudoephedrine

CAS 771434-80-1

chloroephedrine EU Scheduled Precursors UK Drug Precursors
Structure of (1R,2R)-(-)-chloropseudoephedrine

(1R,2R)-(-)-chloropseudoephedrine

CAS 771434-80-1

chloroephedrine category 1 EU Scheduled Precursors UK Drug Precursors
Structure of (1R,2S)-(-)-chloroephedrine

(1R,2S)-(-)-chloroephedrine

CAS 110925-64-9

chloroephedrine category 1 EU Scheduled Precursors UK Drug Precursors
Structure of (1S,2R)-(+)-chloroephedrine

(1S,2R)-(+)-chloroephedrine

CAS 1384199-95-4

chloroephedrine category 1 EU Scheduled Precursors UK Drug Precursors
Structure of (1S,2S)-(+)-chloropseudoephedrine

(1S,2S)-(+)-chloropseudoephedrine

CAS 73393-61-0

chloroephedrine category 1 EU Scheduled Precursors UK Drug Precursors
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-Phenyl-2-propanone (BMK/P2P)

1-Phenyl-2-propanone (BMK/P2P)

CAS 103-79-7

amphetamine precursor category 1 table I EU Scheduled Precursors INCB Red List UK Drug Precursors
Structure of 1-boc-4-AP

1-boc-4-AP

CAS 125541-22-2

fentanyl precursor category 1 table I DEA List I EU Scheduled Precursors INCB Red List
Structure of 1-boc-4-piperidone

1-boc-4-piperidone

CAS 79099-07-3

fentanyl precursor category 1 table I DEA List I EU Scheduled Precursors INCB Red List
Structure of 2-Bromo-1-(4-chlorophenyl)propan-1-one

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
Structure of 2-Bromo-1-(4-methylphenyl)propan-1-one

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
Structure of 2-bromo-3'-chloropropiophenone

2-bromo-3'-chloropropiophenone

CAS 34911-51-8

cathinone precursor added 2026 category 1 category 1 NI NI BAFA
Structure of 2-bromo-3'-methylpropiophenone

2-bromo-3'-methylpropiophenone

CAS 1451-83-8

cathinone precursor added 2026 category 1 category 1 NI NI BAFA
Structure of 3'-chloropropiophenone

3'-chloropropiophenone

CAS 34841-35-5

cathinone precursor category 1 category 1 NI NI BAFA EU Scheduled Precursors
Structure of 3'-methylpropiophenone

3'-methylpropiophenone

CAS 51772-30-6

cathinone precursor category 1 category 1 NI NI BAFA EU Scheduled Precursors
Structure of 3,4-MDP-2-P methyl glycidate

3,4-MDP-2-P methyl glycidate

CAS 13605-48-6

MDMA precursor designer precursor category 1 table I DEA List I EU Scheduled Precursors
Structure of 3,4-MDP-2-P methyl glycidic acid (PMK glycidic acid)

3,4-MDP-2-P methyl glycidic acid (PMK glycidic acid)

CAS 2167189-50-4

MDMA precursor designer precursor category 1 table I DEA List I EU Scheduled Precursors
Structure of 3,4-MDP-2-P methyl glycidic acid ethyl ester

3,4-MDP-2-P methyl glycidic acid ethyl ester

CAS 28578-16-7

MDMA precursor designer precursor category 1 table I DEA Special Surveillance List EU Scheduled Precursors
Structure of 3,4-Methylenedioxyphenyl-2-propanone (PMK/MDP2P)

3,4-Methylenedioxyphenyl-2-propanone (PMK/MDP2P)

CAS 4676-39-5

MDMA precursor category 1 table I DEA List I EU Scheduled Precursors INCB Red List
Structure of 4-Anilino-N-phenethylpiperidine (ANPP)

4-Anilino-N-phenethylpiperidine (ANPP)

CAS 21409-26-7

fentanyl precursor category 1 table I EU Scheduled Precursors INCB Red List UK Drug Precursors
Structure of 4-Piperidone

4-Piperidone

CAS 41661-47-6

fentanyl precursor category 1 table I DEA List I EU Scheduled Precursors INCB Red List
Structure of Acetic anhydride

Acetic anhydride

CAS 108-24-7

category 2A table I DEA List II EU Scheduled Precursors INCB Red List UK Drug Precursors
Structure of Acetone

Acetone

CAS 67-64-1

solvent category 3 table II DEA List II EU Scheduled Precursors INCB Red List
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