Perphenazine Powder from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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