Urea Stibamine from China
Urea stibamine is a pentavalent antimony compound derived from urea, used historically as an aromatic ureine derivative for treating leishmaniasis. It is classified under HTS 2924.21.20.00 due to its listing in additional U.S. note 3 to section VI as a specific regulated amide-function compound. The aromatic cyclic amide structure determines its placement in this heading.
Duty Rate — China → United States
41.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Confirm exact chemical specification matches note 3 listing; slight impurities may trigger reclassification
• Include Material Safety Data Sheets (MSDS) highlighting toxicity for proper hazmat handling during import
• Check DEA scheduling if used in research to avoid controlled substance import restrictions