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2933.21.00.00/Methone (5,5-Dimethylhydantoin)/Japan

Methone (5,5-Dimethylhydantoin) from Japan

Methone serves as an intermediate in pharmaceutical synthesis and polymer modification, featuring the core hydantoin structure. Falls under HTS 2933.21.00.00 per Chapter 29 classification for unfused imidazole ring compounds.

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%
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Import Tips

• Include synthesis pathway documentation confirming hydantoin parent structure,REACH registration status for EU manufacturing intermediates,Purity certificate essential to distinguish from reaction mixtures

Methone (5,5-Dimethylhydantoin) from Japan — Import Duty Rate | HTS 2933.21.00.00