Diethazine Hydrochloride from Canada
Diethazine hydrochloride, an older phenothiazine anticholinergic used for extrapyramidal symptoms. Qualifies under HTS 2934.30.27.00 as other drug of the phenothiazine class.
Duty Rate — Canada → 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
• Provide historical pharmacology references confirming non-antipsychotic primary indication
• Include batch purity certificates excluding antipsychotic impurities
• Monitor for orphan drug status affecting import documentation requirements