Buspirone Hydrochloride from Canada
Buspirone hydrochloride is an anxiolytic psychotherapeutic agent (non-benzodiazepine) for generalized anxiety disorder. Classified in HTS 2921.49.38.00 as a tranquilizer derivative.
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
• Azapirone class requires specific impurity controls for pyrrole contaminants
• Maintain <30% RH storage conditions per stability studies
• Avoid bulk chemical labeling; specify anxiolytic API use