Sulfamerazine from Mexico
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 — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Confirm obsolescence status with FDA; provide spectral analysis for structure; ensure no coordination compounds per note on salts