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Ribonolactone from China

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 — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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

Ribonolactone from China — Import Duty Rate | HTS 2932.20.50