Sulfamethazine Sodium Veterinary Grade from Mexico
Sulfamethazine sodium, explicitly named in HTS 2935.90.32.00, is a sulfonamide used primarily in veterinary medicine for treating respiratory and enteric infections in livestock. This pharmaceutical-grade powder meets pharmacopeial standards for animal health 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 New Animal Drug Application (NADA) reference if applicable
• Segregate from human-use inventory to avoid cross-contamination concerns
• Document residue limits compliance for food-producing animals