Sulfisoxazole from Mexico
Sulfisoxazole is a short-acting sulfonamide antibiotic effective against urinary tract infections and chlamydia, available as a bulk powder for pharmaceutical formulation. It qualifies for HTS 2935.90.75.00 as a product listed in additional U.S. note 3 to section VI. This chemical is a separate, chemically defined organic sulfonamide compound.
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
• Provide impurity profile and batch certificates; ensure packaging prevents moisture absorption; declare as API to avoid reclassification as a finished product