Bambuterol Hydrochloride from Canada
Bambuterol hydrochloride serves as a prodrug for terbutaline, an aromatic amino-alcohol salt for respiratory therapy. It matches HTS 2922.19.60.00 as an 'other' aromatic product under U.S. note 3, with its carbocyclic amino-alcohol moiety. Ethers and esters are included per the heading description.
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
• Ensure certificate of analysis specifies CAS number and confirms exclusion from Chapter 30 as unfinished chemical
• Declare exact purity levels; impurities may affect duty rates under note 3 specifications
• Use HTSUS statistical suffixes correctly; consult CBP rulings for pharmaceutical intermediates