Chloroquine Phosphate from Canada
Chloroquine phosphate contains a quinoline ring system and is used as an antimalarial and anti-inflammatory drug. This synthetic heterocyclic compound falls under HTS 2933.49.60.00 per additional U.S. note 3 to section VI, as a non-fused quinoline derivative. The phosphate salt retains classification with the parent quinoline base.
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
• Reference WHO essential medicines list for priority processing; ensure DEA precursor monitoring if applicable; provide impurity profile to meet USP standards