Bambuterol Hydrochloride from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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