Clobazam from Japan
Clobazam, a 1,5-benzodiazepine, differs from 1,4-isomers with distinct anticonvulsant profile and sedative properties via nitrogen heterocyclic rings. HTS 2933.99.65.00 for aromatic CNS drugs. Used primarily in epilepsy treatment.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide metabolic profile data showing active N-desmethyl metabolite
• EU GMP certification expedites FDA review for API release
• Declare polymorphic form (Form I or III) affecting bioavailability