High-Purity Bismuth Carbonate USP/EP from Mexico
Dual-compendial (USP/EP) bismuth carbonate for global pharmaceutical supply chains, classified as HTS 2836.99.20.00 pure bismuth carbonate. Used in compounded prescriptions and veterinary medicines.
Duty Rate — Mexico → United States
15.5%
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
• Dual USP/EP COA mandatory; declare pharmacopeial grade explicitly on commercial invoice
• Veterinary use may require APHIS import permit if animal-derived impurities suspected
• Monitor MFN vs GSP duty rates based on country of melt/pour origin