Sulfamerazine from Mexico
Sulfamerazine, intermediate-acting sulfonamide, penetrates CSF for meningitis treatment. Classifies HTS 2935.90.4800 as sulfonamide anti-infective meeting Chapter 29 purity standards. Used in combination with other sulfonamides.
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
• CSF penetration studies validate meningitis indication
• Triple sulfonamide compatibility data for combo therapies
• Batch uniformity testing prevents potency variation