Galactose Pentaacetate
Galactose pentaacetate provides all hydroxyl protection for galactose in complex carbohydrate synthesis. Falls under HTS 2940.00.60.00 as chemically pure sugar ester, specifically excluded from simple sugar exclusions since chemically modified. Essential for tumor-associated antigen synthesis.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic sugar acetate esters
Unnamed acetate esters classify under carboxylic acid ester headings
If enzymatically modified galactose derivatives
Chapter 29 excludes enzymes and modified products of heading 3507
If <97% anomeric purity
Chemical purity threshold not met for Chapter 29
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Import Tips & Compliance
• Document specific rotation [+56° to +61°] for authenticity; Include heavy metals analysis (<10 ppm); Controlled substance precursor monitoring for glycosaminoglycan synthesis
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.
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.