Thiamine Hydrochloride Powder from Mexico
Thiamine hydrochloride, the chloride salt of vitamin B1, features an aromatic thiazole ring and falls under HTS 2934.10.10.00 per U.S. note 3 requirements. Used in pharmaceutical manufacturing and animal feed fortification.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Provide FDA registration and Drug Master File (DMF) if destined for US pharmaceutical production
• Confirm batch testing for heavy metals and microbial limits per USP <561> standards
• Use UN-approved packaging for moisture-sensitive hygroscopic powders