Ribonolactone from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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