Sulfapyridine from Mexico
Sulfapyridine is a sulfonamide used historically for dermatitis herpetiformis and as a component in dapsone combinations. As a separate chemically defined organic compound not covered by specific prior subheadings, it falls under HTS 2935.90.95.00.
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
• Legacy antibiotic; provide historical monograph references (USP/NF)
• Research chemical imports need end-user statement to avoid diversion