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

Phendimetrazine Tartrate from Japan

Phendimetrazine tartrate is the approved salt form of this Schedule III anorectic agent listed under HTS 2934.91.00.00. Used in weight loss medications as sustained-release API. The tartrate salt optimizes bioavailability.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Register with DEA as importer of List I chemicals if manufacturing extended-release forms

Include polymorphic form specification (Form I vs Form II) in COA for batch consistency

Pre-clear with CBP via ACE system using controlled substance HTSUS designation