Carbamazepine from Canada
Carbamazepine, an iminostilbene derivative, functions as an anticonvulsant with aromatic cyclic amide structure. Classified under HTS 2924.29.77 as other aromatic cyclic amides. Chemically defined organic compound meeting chapter 29 criteria.
Duty Rate — Canada → 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
• Submit polymorph characterization (Form III preferred) to verify chemical identity
• Avoid aqueous solutions unless meeting note (d) transport criteria
• Include DMF references for FDA-regulated bulk drug substance imports