Temazepam Base from Japan
Pure temazepam base, a benzodiazepine metabolite used for insomnia treatment. HTS 2933.91.0050 covers this named INN heterocyclic nitrogen compound in pure form. Imported for conversion to salts or direct formulation.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%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
• Base form requires pH stability data for customs chemical identity verification
• Declare exact INN name and CAS number (846-50-4) on commercial invoice
• Monitor for re-export requirements under international drug control treaties