Doxylamine Succinate from Canada
Doxylamine is an ethanolamine ether derivative with aromatic amino-oxygen function, used as a sedative antihistamine. HTS 2922.50.4000 covers this as 'other' aromatic amino-alcohol type. Meets Chapter 29 criteria for chemically defined compounds.
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
• Include stability data for succinate salt; comply with FDA Orange Book listings; label to distinguish from finished antihistamine products