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Perphenazine from China

Perphenazine is a piperazine phenothiazine antipsychotic and antiemetic with tranquilizing properties for severe nausea and psychosis. Classified in HTS 2934.30.23.00 for its psychotherapeutic use and phenothiazine ring. Bulk API imported for tablet, injection, and combination product manufacturing.

Duty Rate — China → United States

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Submit Type II DMF with comprehensive toxicological data for novel combination products

Monitor for FDA Import Alert 99-30; ensure no adulteration or misbranding issues

Declare exact enantiomeric purity if chiral; racemic mixtures require specific stability data