2924.29.77/Carbamazepine/Japan

Carbamazepine from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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