Sulfadoxine Base from Canada
Sulfadoxine, long-acting sulfonamide, combined with pyrimethamine for falciparum malaria. HTS 2935.90.4800 classification as anti-infective sulfonamide per Chapter 29. 7-day half-life enables weekly prophylaxis.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Malaria resistance pattern documentation supports continued relevance
• Pyrimethamine combination stability data for combo product planning
• Tropical stability testing required for hot climate importation