Bupivacaine Hydrochloride from Mexico
Bupivacaine hydrochloride is an aromatic amino-compound featuring amide oxygen function and amino group, used as a long-acting local anesthetic intermediate under HTS 2922.50.3500 per U.S. note 3. Its structure aligns with chapter notes for oxygen-function amino-compounds on benzene rings.
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
• Include FDA import alerts check and chemical assay reports; declare exact CAS number to confirm note 3 status
• Watch for reclassification if purity exceeds 99% suggesting finished product