Cyanocobalamin Intermediates from Mexico
Specific aromatic nitrile intermediates used in cyanocobalamin (vitamin B12) synthesis fall under HTS 2926.90.43.00 as note 3 products.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• FDA Drug Master File references required for pharma intermediates
• Batch-specific CoA mandatory for GMP compliance
• Cold chain documentation if temperature-sensitive