Hydantoin from Japan

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 — Japan → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Cosmetic grade requires safety assessment; declare substitution level if N-alkylated; DMF for pharma use

Hydantoin from Japan — Import Duty Rate | HTS 2924.29.95.00