Valerolactam (5-Methyl-2-Pyrrolidone) from Japan
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 — 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%
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