Quinidine Base from Canada
Quinidine base, the dextrorotatory cinchona alkaloid, precursor for antiarrhythmic drugs. Classified HTS 2939.20.00 as natural/reproduced cinchona alkaloid per full heading scope. Bulk powder for salt formation in pharma.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Chiral purity verification via polarimetry essential; DEA precursor monitoring applies; validate against BP/USP standards