</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Temazepam Base from Canada

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 — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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