Gold Sodium Thiomalate from Mexico
Gold sodium thiomalate is an organic gold compound used in rheumatoid arthritis treatment. Despite organic components, classified under HTS 2843.90.00.00 per chapter notes for precious metal compounds.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from finished pharmaceuticals; pure API status requires bulk packaging proof
• FDA import alerts may apply; pre-clear with drug establishment registration
• Document organic ligand structure to justify Chapter 28 over Chapter 29 classification