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Sulfisoxazole from Canada

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 — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

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