Sulfamerazine from Canada
Sulfamerazine is a short-acting sulfonamide antibiotic featuring a pyrimidine ring, used historically for streptococcal infections. Classified in HTS 2933.59.36.00 as an aromatic anti-infective with nitrogen heterocyclic structure per chapter 29 scope. Represents a pure, chemically defined organic compound.
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
• Confirm obsolescence status with FDA; provide spectral analysis for structure; ensure no coordination compounds per note on salts