Sulfathiazole Sodium Salt from Mexico
Sulfathiazole sodium, a sulfonamide antibiotic with aromatic thiazole ring, falls under HTS 2934.10.10.00 per note 3. Used in veterinary pharmaceutical applications.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include Veterinary Drug Application (VDA) status and antimicrobial resistance data
• Water-soluble salt requires low-temperature storage (<25°C) and desiccant packaging
• Declare as 'bulk drug substance' to distinguish from finished animal health products