Bupivacaine Hydrochloride from China
Bupivacaine hydrochloride is a long-acting local anesthetic amide with aromatic cyclic structure. Falls under HTS 2924.29.77 as other aromatic cyclic amides and salts thereof. Chemically defined per chapter 29 notes (a) for separate organic compounds.
Duty Rate — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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 purity certificates (S-enantiomer) to confirm chemical identity under chapter notes
• Avoid stabilizer additions beyond transport needs to prevent reclassification per note (f)
• Declare CAS 18010-40-7 explicitly; maintain >98% purity documentation