Urea Stibamine from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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