Procainamide Hydrochloride from Mexico
Procainamide is an aromatic amide antiarrhythmic drug, existing as the hydrochloride salt of a cyclic amide derivative. It fits HTS 2924.29.77.90 per chapter notes classifying organic salts with the parent compound. Used primarily for cardiac rhythm treatment.
Duty Rate — Mexico → 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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chapter note requires classification of salts with the organic base; provide salt formation details in CoA
• Comply with USP/NF specifications for pharmaceutical imports; impurities above limits may trigger reclassification