Levobupivacaine Hydrochloride from Mexico
Levobupivacaine hydrochloride is the S-enantiomer of bupivacaine, offering reduced cardiotoxicity. Classified under HTS 2924.29.71.00 as an aromatic cyclic amide per additional U.S. note 3. Meets chapter requirements for separate chemically defined stereoisomers.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide chiral HPLC analysis confirming >99% enantiomeric excess
• Include comparative toxicology data vs. racemic bupivacaine
• Declare specific rotation value for optical purity verification