Oligosaccharides

<p>Blood group antigen with spacer arm</p>

<p>Intermediate degradation product of lyso-GM3</p>

<p>Synthetic building block for oligosaccharide synthesis</p>

<p>D-Cellotriose undecaacetate is a glycosylation product of cellobiose and erythritol. It is a methylated polysaccharide, which is an oligosaccharide that contains a single sugar unit. This compound can be custom synthesized and has high purity. D-Cellotriose undecaacetate is used in the synthesis of polysaccharides in the food industry and for medical purposes as a drug delivery system.</p>

<p>Methyl 6-O-(a-D-mannopyranosyl)-b-D-mannopyranoside is a carbohydrate that has been modified with fluorination. It is synthesized by the methylation of glucose and mannose residues, followed by glycosylation. Methyl 6-O-(a-D-mannopyranosyl)-b-D-mannopyranoside is a custom synthesis and can be ordered in high purity.</p>

<p>3'-Sialyl Lewis A-PAA-biotin is a carbohydrate that is used as a research tool for investigating the structure and function of glycoproteins, glycolipids, and glycosaminoglycans. It contains 3'-sialic acid linked to the terminal β-D-galactopyranosyl residue of a poly(amino acid) backbone. This product has been synthesized by custom synthesis and contains high purity with a custom synthesis.</p>

<p>Agarose is a polysaccharide found in red algae, typically Gelidium and Gracilaria. It is a strictly alternating polysaccharide of α-1,3 linked D-galactose and β-1,4 linked L-3,6 anhydrogalactose, with occasional sulfation at position 6 of the anhydrogalactose residue. Agaro-oligosaccharides result from cleavage at galactose residues and neoagaro-oligosaccharides from cleavage at 3,6-anhydro residues. Neoagarobiose is reported to exhibit skin moisturising and whitening properties.</p>

<p>Chitosan oligosaccharide HCl is a water-soluble, biocompatible polymer with an average molecular weight of 2,000. It has been shown to have hypoglycemic effects in vivo and inhibitory properties against inflammatory bowel disease. Chitosan oligosaccharide HCl also exhibits an ability to enhance the activity of monoclonal antibodies directed against human tumor cells. This effect may be due to the ability of chitosan oligosaccharide HCl to bind to antigens on the surface of tumor cells and facilitate antibody binding.</p>

<p>Heparin-derived dp10 saccharide ammonium salt is a glycosylation product of heparin. This compound is synthesized by the treatment of heparin with a fluorinating agent, such as N-fluoro-N'-(2-chloroethyl)peroxycarbonyl chloride or N-fluoro-N'-(2-bromoethyl)peroxycarbonyl chloride, followed by reaction with an amine. The compound can be modified for specific applications through the use of click chemistry, which allows for the selective modification of either the sugar or side chain of the molecule. This product has been characterized and shown to have high purity and a CAS number.</p>

<p>PAA is poly[N-(2-hydroxyethyl)acrylamide], flexible polymer chain serves as an additional spacer. Mr approx. 30 kDa (according to gel-filtration, proteins as Mr markers). Carbohydrate content is 20% mol.</p>

<p>The glycosylation process is a chemical reaction in which an organic molecule is attached to a sugar or other carbohydrate. The product of this process is known as a glycoside. Glycosylations are important in the synthesis of complex carbohydrates and glycoconjugates. The most common glycosidic bond that is formed is between the hydroxyl group of a saccharide (such as glucose) and the amino group of another saccharide (such as N-acetylglucosamine). The most common type of glycosylation reaction is the formation of an O-glycosidic bond between two sugars, such as glucose and N-acetylgalactosamine, to form the disaccharide lactose. There are many different types of glycosylations, including methylation, Click modification, fluorination, saccharide modification, and custom synthesis.<br>Methylation: Methylation is a chemical reaction where one or more hyd</p>

<p>The hyaluronic acid discaccharide and other enzymatically produced polymer homologs from hyaluronic acid have been of value in the study of hyaluronic acid metabolism in healthy and diseased tissues (Hascall, 2019). Hyaluronic acid is a polysaccharide containing repeating disaccharide units of β-1,3-N-acetyl glucosamine and β-1, 4-glucuronic acid. The unsaturated disaccharide hyalobiuronic acid is released from hyaluronic acid by the action of hyaluronidase on umbilical cord (Weissman, 1954).</p>

<p>Sucrose is a sugar that is used as a food additive. It is the disaccharide of glucose and fructose, which are two monosaccharides. Sucrose can be synthesized by the glycosylation of glucose and fructose in an α-1,2 linkage. Sucrose can also be synthesized by the fluorination of sucrose followed by methylation with methylamine. The synthesis of sucrose starts with the reaction of acrylonitrile with formaldehyde to produce acrylonitrile trimer, which is then reacted with methanol to produce methyl 3-hydroxybutyrate. This product undergoes a series of reactions to form sucrose.</p>

<p>This compound is a custom synthesis. It is an oligosaccharide, polysaccharide and modification of saccharides. The compound has been modified with methylation, glycosylation, and fluorination. This compound is a high purity product with the CAS number 93496-44-7.</p>

<p>Isolated from ivory-nut mannan hydrolysates</p>

<p>4-Methoxyphenyl 4-O-(4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3,6-di-O-benzyl -2,4,6-(1',4'-dioxan)-tris(2,3,5',6'-tetraethoxy)phenol</p>

<p>Benzyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-a-D-glucopyranoside is a synthetic substrate that is used in the synthesis of disaccharides. It is catalytic and has an efficient method for the preparation of acetonitrile, which can be eluted with acetic acid. It is a reagent that reacts with halides to form equimolar acetates. Acetylated benzyl 2-acetamido-2 deoxy 3 O-(b D galactopyranosyl) a D glucopyranoside can be obtained by reacting benzyl 2 acetamido 2 deoxy 3 O-(b D galactopyranosyl) a D glucopyranoside with acetic anhydride.</p>

<p>Lactobionic acid is produced by oxidation of lactose. It is widely used in the food and in pharmaceutical field, due to its excellent biocompatibility, biodegradability, nontoxicity, chelating, amphiphilic and antioxidant properties.  Lactobionic acid is produced as a white solid powder, freely soluble in water and slightly soluble in anhydrous ethanol and methanol.</p>

<p>Trehalose-6-phosphate dipotassium salt is a natural sugar that is found in plants, animals, and fungi. It functions as a carbohydrate reserve and protects cells against osmotic stress. Trehalose-6-phosphate dipotassium salt can be synthesized by the enzyme trehalase from the sugar trehalose and 6-phosphate. It has been shown to protect cells from weevil infestation, which may be due to its ability to produce abiotic or biotic stress. Trehalose-6-phosphate dipotassium salt can be purified using hydrophilic interaction chromatography on an on-line system.</p>

<p>This is a synthetic, high purity and custom-synthesized carbohydrate. The chemical name is 1,2,3,6-Tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-b-D-thioglucopyranose. It has been modified with the Click reaction to allow for chemical modification. This product is a complex carbohydrate that has been fluorinated to create an organic fluorine compound.</p>