Tetra-O-Acetyl-D-Ribose
Tetra-O-acetyl-D-ribose is a protected ribose sugar ester used in nucleoside analog synthesis for antiviral drugs. Classified HTS 2940.00.60.00 as chemically pure sugar ester not covered by headings 2937-2939. The four acetate groups protect hydroxyls during selective chemical manipulation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If converted to heterocyclic nucleoside derivative
Nucleosides containing ribose classify under heading 2933
If for acetate function without identified sugar moiety
Unnamed polyacetates fall under general acetate ester heading
If pharmaceutical intermediate in measured doses
Medicinal preparations exceed Chapter 29 chemical compound scope
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Import Tips & Compliance
• Specify anomeric mixture ratio (alpha/beta) in CoA; DEA watch list for nucleoside precursors - ensure end-use statement; Store below 0°C to maintain anomeric integrity during transit
Related Products under HTS 2940.00.60.00
Methyl Alpha-D-Glucopyranoside
Methyl alpha-D-glucopyranoside is a chemically pure sugar ether derived from glucose where a methyl group is attached to the anomeric oxygen. It falls under HTS 2940.00.60.00 as a sugar ether, other than those specified in headings 2937, 2938, or 2939, and not sucrose, lactose, maltose, glucose, or fructose. This compound is used in organic synthesis and as a solvent in chemical reactions.
Ethyl Beta-D-Galactopyranoside
Ethyl beta-D-galactopyranoside is a galactose-derived sugar ether used in glycosylation reactions and carbohydrate chemistry research. Classified under HTS 2940.00.60.00 as a chemically pure sugar ether excluded from headings 2937-2939. It consists of a galactose molecule with an ethyl group ether-linked at the anomeric position.
Benzyl Alpha-D-Mannopyranoside
Benzyl alpha-D-mannopyranoside serves as a protecting group reagent in oligosaccharide synthesis, featuring a benzyl ether linkage to mannose. It qualifies for HTS 2940.00.60.00 as a chemically pure sugar ether not covered by headings 2937-2939 or the excluded simple sugars. Primarily used in pharmaceutical intermediate production.
Glucose Pentaacetate
Glucose pentaacetate is a peracetylated sugar ester where all five hydroxyl groups of glucose are esterified with acetic acid. Classified in HTS 2940.00.60.00 as a chemically pure sugar ester, distinct from products of headings 2937-2939. Used as an intermediate in carbohydrate chemistry and drug synthesis.
Maltose Octaacetate
Maltose octaacetate features eight acetate ester groups on the disaccharide maltose, used in selective glycosylation and polymer chemistry. Falls under HTS 2940.00.60.00 as a sugar ester, chemically pure, excluded from headings 2937-2939 despite maltose base structure. Enables controlled carbohydrate assembly in synthesis.
Sorbitol Hexaacetate
Sorbitol hexaacetate is the fully acetylated form of the sugar alcohol sorbitol, used in polyester synthesis and carbohydrate modification. HTS 2940.00.60.00 covers this chemically pure sugar ester as sorbitol derivatives qualify under sugar alcohol ester definition. Provides reactive hydroxyl protection in polymer chemistry.