Bacitracin Zinc USP from Mexico
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 — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
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