Sulfamethoxazole USP from Mexico
Sulfamethoxazole is a synthetic bacteriostatic sulfonamide antibiotic used primarily in combination with trimethoprim for treating urinary tract infections and respiratory infections. It falls under HTS 2935.90.75.00 as a sulfonamide compound described in additional U.S. note 3 to section VI, which covers specific organic compounds in this category. This pure chemical form is imported for pharmaceutical manufacturing.
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
• Verify USP grade certification and provide detailed chemical analysis for customs; ensure compliance with FDA import requirements for active pharmaceutical ingredients; avoid misclassification by confirming it's not a finished dosage form