Sulfadiazine from China
Sulfadiazine is a synthetic antibacterial sulfonamide drug containing a pyrimidine ring in its structure, used primarily for treating infections like toxoplasmosis and urinary tract infections. It falls under HTS 2933.59.36.00 as an aromatic anti-infective agent with a nitrogen-containing heterocyclic pyrimidine ring. This classification applies to its chemically defined structure meeting chapter 29 notes for separate organic compounds.
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
• Verify FDA approval and provide Certificate of Analysis for purity; ensure proper pharmaceutical labeling per 21 CFR; avoid misclassification by confirming pyrimidine structure via COA