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Ribonolactone from Canada

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 — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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