Phentermine Hydrochloride from Japan
Phentermine hydrochloride is the hydrochloride salt of phentermine (INN), explicitly covered by HTS 2921.46.00.00 as an aromatic monoamine derivative. This anorectic agent is imported as a bulk pharmaceutical chemical for appetite suppressant formulations. The heading applies to both the base and its salts as separate chemically defined compounds.
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
• Submit FDA Drug Master File and ensure GMP compliance certification for active pharmaceutical ingredients
• Include stability data and impurity profiles in documentation to meet chemical identity requirements
• Beware of quotas on controlled substances; phentermine is DEA Schedule IV