Doxylamine Succinate Powder from China
Doxylamine succinate, an ethanolamine antihistamine with pyridine ring, is classified under HTS 2933.99.90.00 as a heterocyclic drug. Bulk imported for sleep aids like Unisom and allergy medications.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Validate succinic acid salt stoichiometry in COA
• Provide drowsiness warning label compliance documentation
• Check for OTC monograph deviations requiring FDA approval