2932.20.50/Ribonolactone/Japan

Ribonolactone from Japan

Ribonolactone, a five-membered furanose lactone from ribose, contains oxygen heteroatom only and is classified under HTS 2932.20.50. 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%

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Import Tips

• Anhydrous grade requires <0.1% water content certification

• Nucleic acid synthesis purity standards exceed general chemical specs

• Cold chain (-20°C) mandatory for activity preservation