2932.99.70.00/2(3H)-Furanone Dihydro/Japan

2(3H)-Furanone Dihydro from Japan

Dihydro-2(3H)-furanone (gamma-butyrolactone alternative name) is a five-membered lactone oxygen heterocycle under HTS 2932.99.70.00. Pharmaceutical intermediate and solvent.

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

• Pharma intermediate; Drug Master File (DMF) reference recommended

• Lactone ring opening sensitivity; purity >99.5% typically required

• Controlled precursor monitoring for some applications