Warfarin Sodium from China
Warfarin sodium is an aromatic lactone derivative used as an anticoagulant drug to prevent blood clots. It falls under HTS 2932.20.20.00 as an aromatic lactone classified as a drug, containing oxygen hetero-atoms in a heterocyclic structure. This synthetic coumarin-based compound is chemically defined and meets Chapter 29 requirements for pharmaceutical lactones.
Duty Rate — China → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Obtain FDA Drug Master File and import permit prior to shipment; ensure compliance with 21 CFR pharmaceutical labeling
• Provide Certificate of Analysis confirming ≥98% purity and absence of impurities exceeding ICH guidelines
• Avoid misclassification as veterinary use product which may fall under different regulations; declare specifically as human drug