Perphenazine Powder from Japan

Perphenazine is a piperazine phenothiazine antipsychotic with the defining ring-system, used for nausea and psychosis treatment. HTS 2934.30.43.00 applies via additional U.S. note 3 to section VI for these listed heterocyclic products. It remains as a separate chemically defined compound.

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%

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Import Tips

• Include third-party lab testing for identity and purity; register with FDA for drug substance imports; common pitfall is undervaluation leading to audits