Choline Aspirin Salt from Mexico
Choline O-acetylsalicylate, a bioavailable salt form for oral liquid analgesics. HTS 2918.22.5000 per note (C)(2) for quaternary ammonium organic salts, classified by acid function last in numerical order.
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
• Confirm quaternary ammonium via conductivity test; comply with dietary supplement rules if marketed as such; limit solvent residues to ICH specs