Temazepam Base from Mexico
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 — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% 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