Buclizine Hydrochloride from Canada
Buclizine hydrochloride, a piperazine-based antihistamine, treats vertigo and nausea. Classified under HTS 2921.30.10.00 due to its cyclanic polyamine structure derived from aromatic compounds, per additional U.S. note 3.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include batch certificates of analysis and DMF references for FDA compliance
• Ensure packaging meets USP standards for bulk pharmaceutical chemicals
• Declare exact CAS number (82-95-1) to prevent reclassification