</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Ribonolactone from Japan

Ribonolactone from ribose sugar features a five-membered furanose lactone ring with oxygen hetero-atom only, under HTS 2932.20.50.50. Used in nucleotide synthesis.

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

Nucleic acid synthesis end-use declaration differentiates from food sugars

Anomeric purity (alpha/beta) specification required for pharma grade

Biohazard containment documentation if for genetic research

Ribonolactone from Japan — Import Duty Rate | HTS 2932.20.50.50