Chlordiazepoxide is an active pharmaceutical ingredient with a benzodiazepine-related structure. According to authoritative sources, it is associated with developmental toxicity warnings as required by state or federal labeling regulations.
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Restricted or banned substances
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CAS 58-25-3
Chlordiazepoxide hydrochloride
pharmaceutical raw material
Dipyridamole
pharmaceutical raw material
Promethazine hydrochloride
pharmaceutical raw material
Tetrabenazine
pharmaceutical raw material
Ethacrynic acid
pharmaceutical raw material
Norchlordiazepoxide
pharmaceutical raw material
The international HS code for 7-Chloro-2-(methylimino)-5-phenyl-2,3-dihydro-4H-1,4-benzodiazepin-4-ol (CAS 58-25-3) is 2933.91.
2933.91
2933 91 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
7-chloro-4-hydroxy-N-methyl-5-phenyl-3H-1,4-benzodiazepin-2-imine
BUCORZSTKDOEKQ-UHFFFAOYSA-N
CN=C1CN(C(=C2C=C(C=CC2=N1)Cl)C3=CC=CC=C3)O