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2935.90.48.00/Sulfadoxine Base/Japan

Sulfadoxine Base from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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