Carbamazepine from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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