Aspirin Lysine Salt from Japan
The lysine salt of acetylsalicylic acid maintains classification with parent acid per chapter note 4(C)(1). Covered under HTS 2918.29.65.00 via additional U.S. note 3 for pharmaceutical salts. Imported for soluble analgesic formulations.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include salt formation certificate linking to parent acetylsalicylic acid classification per note 4(C)
• Ensure water solubility doesn't trigger note (d) misclassification as aqueous solution
• FDA prior notice required; distinguish from finished injectables (3004)