Sulfanilamide from Mexico
Sulfanilamide is the parent compound of all sulfonamide antibiotics, historically significant for treating streptococcal infections. As the simplest sulfonamide not covered by prior specific subheadings, it classifies 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
• Research/historical compound; provide synthesis route diagram
• Highly soluble; moisture control critical during transport
• Legacy status may trigger additional documentation requests