Sulfadiazine Sodium from Mexico
Sulfadiazine sodium is the sodium salt of an organo-sulfur sulfonamide antibiotic used for toxoplasmosis and burns. As per Chapter 29 notes, inorganic salts of organic compounds classify with the organic base, retaining its 2930 organo-sulfur status. Included as a drug under 2930.90.92.35.
Duty Rate — Mexico → United States
3.7%
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
• Document salt formation per Chapter Note 5(C)(1) to confirm classification with parent acid
• FDA requires sodium content verification to prevent hygroscopic degradation claims