Sulfamethazine from China
Sulfamethazine is a sulfonamide antibiotic with a heterocyclic pyrimidine ring, used in veterinary medicine for bacterial infections in livestock. Classified under HTS 2933.59.36.00 due to its aromatic structure and role as an anti-infective agent per chapter notes on nitrogen hetero-atom compounds. It qualifies as a separate chemically defined organic compound.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include veterinary drug import permit from USDA; test for residue limits if for food animals; document aromatic modification to prevent reclassification