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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

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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