</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Sulfisoxazole from Japan

Sulfisoxazole is a sulfonamide anti-infective with an isoxazole-substituted pyrimidine-like structure, used for urinary and eye infections. It fits HTS 2933.59.36.00 under aromatic anti-infectives with pyrimidine rings, adhering to chapter notes on nitrogen hetero-atoms. Bulk form excludes finished medicaments.

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%

Import Tips

File with FDA prior notice; test for acetyl derivatives; document as separate compound not in mixture

Sulfisoxazole from Japan — Import Duty Rate | HTS 2933.59.36.00