Bitolterol Mesylate from Canada
Bitolterol mesylate is a diester aromatic amino-alcohol salt prodrug for bronchodilation. Meets HTS 2922.19.60.00 criteria under U.S. note 3 for esters and salts of aromatic amino-alcohols. Features tolyl-substituted benzene ring system.
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
• Document mesylate counterion per note 2(C)(1) for salt classification confirmation
• Avoid therapeutic claims in shipping documents to maintain chemical status
• Use temperature-controlled shipping for stability per ICH guidelines