Carbadox API for Veterinary Manufacturing from Mexico
Carbadox Active Pharmaceutical Ingredient (API) for veterinary premix production, specifically named in HTS 2933.99.4200. This anti-infective heterocyclic compound is imported in bulk for medicated feed manufacturing. Meets pharmacopeial standards for purity and stability.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%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
• CVM NADA approval required for end-use; import under Investigational New Animal Drug if experimental
• Stability studies mandatory due to carbadox degradation; document <0.5% hydrazone impurities
• Segregate from human drug shipments to avoid cross-contamination regulatory issues