Diclofenac Sodium from China
Diclofenac sodium, an NSAID for pain and inflammation, is classified under HTS 2933.99.55 as its organic base is a nitrogen-heterocyclic aromatic compound. The salt form follows the base per chapter note on inorganic salts.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide salt equivalence calculations and base structure confirmation for salt classification rule
• Ensure GMP certification and bioequivalence data for FDA prior notice