Bacitracin Zinc USP from Canada
Bacitracin zinc, produced by Bacillus subtilis fermentation, is a natural polypeptide antibiotic for topical bacterial infections. HTS 2941.90.10.50 covers this unnamed natural antibiotic as a chemically defined organic compound salt per chapter note (C). The zinc salt form maintains classification with the base antibiotic.
Duty Rate — Canada → 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
• Submit proof of natural polypeptide structure via HPLC analysis confirming fermentation origin
• Zinc salt classified with base per chapter note 5(C)(1); declare exact salt form on entry
• Watch potency labeling; <50 units/mg may trigger veterinary feed grade scrutiny