Valerolactam (5-Methyl-2-Pyrrolidone) from Mexico
Valerolactam is a substituted five-membered lactam used in polymer synthesis and as pharmaceutical intermediate. HTS 2933.79.85.00 covers this alkyl-substituted lactam not specifically named in prior subheadings. Meets nitrogen-heteroatom only heterocyclic 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
• Include synthetic route documentation confirming lactam ring integrity vs acyclic amide formation
• Verify no halogen/sulfur content per notes to headings 2930-2931 exclusion criteria