2-Pyrrolidone Aromatic Ester from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ,Test for water solubility; solutions may require note 4(d) verification
• Document synthetic route to prove heterocyclic lactam principal structure