Benzocaine from Canada
Benzocaine is an ethyl ester of p-aminobenzoic acid, featuring aromatic amino and ester oxygen functions. Classified under HTS 2922.50.4000 as amino-acid-phenol derivative with oxygen function per ester rules. Used as topical anesthetic.
Duty Rate — Canada → 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
• Certify ester content >95% purity; avoid retail packaging suggesting Chapter 33 cosmetics; provide CAS registry verification