Bacitracin Zinc Powder from Mexico
Bacitracin zinc is a polypeptide antibiotic combined with zinc for stability, used in topical ointments. Falls under HTS 2941.90.50.00 as other antibiotics; zinc salt classified with parent antibiotic per Chapter 29 note 3(C)(1). Chemically defined organic compound meeting chapter criteria.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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
• Zinc content must not exceed stabilization levels per Chapter note 3(F); declare metal ratio
• Allergen testing required for polypeptide antibiotics
• Confirm API status prevents Chapter 30 classification