Fexofenadine Hydrochloride from Canada
Fexofenadine hydrochloride, a carboxylic acid derivative antihistamine, contains piperidine and aromatic rings with nitrogen hetero-atoms. It is imported as the active ingredient for allergy medications under HTS 2933.99.26.00.
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
• Submit Type II DMF to FDA prior to importation for bulk APIs
• Verify chiral purity if enantiomer-specific to avoid racemic mixture issues
• Use temperature-controlled shipping to maintain API stability