Allopurinol Powder from Canada
Allopurinol (1H-pyrazolo[3,4-d]pyrimidin-4-ol), hypoxanthine analog with fused pyrazolo-pyrimidine nitrogen heterocycles for gout treatment. HTS 2933.99.9701 as other.
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
• Anhydrous form COA; hydrate forms have separate stability profiles
• Rx monograph compliance (USP <621>)
• Batch release testing documentation