Sulfathiazole Sodium Salt from Mexico
Sulfathiazole sodium, a sulfonamide antibiotic with aromatic thiazole ring, falls under HTS 2934.10.10.00 per note 3. Used in veterinary pharmaceutical applications.
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
• Include Veterinary Drug Application (VDA) status and antimicrobial resistance data
• Water-soluble salt requires low-temperature storage (<25°C) and desiccant packaging
• Declare as 'bulk drug substance' to distinguish from finished animal health products