Hydantoin from Mexico
Hydantoin is a five-membered heterocyclic cyclic amide used in pharmaceutical synthesis and personal care formulations. HTS 2924.29.95.00 applies as unspecified cyclic amide derivative. Key intermediate for anticonvulsants like phenytoin.
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
• Cosmetic grade requires safety assessment; declare substitution level if N-alkylated; DMF for pharma use