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2933.79.08.00/2-Pyrrolidone Aromatic Ester/Japan

2-Pyrrolidone Aromatic Ester from Japan

An ester derivative of 2-pyrrolidone with aromatic modification, used in pharmaceutical formulations. Falls under HTS 2933.79.08.00 as modified aromatic lactam per note 3 and ester classification rules.

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

• ,Test for water solubility; solutions may require note 4(d) verification

• Document synthetic route to prove heterocyclic lactam principal structure