Carbohydrates and glycoconjugates

<p>α 1,4-glucoheptasaccharide derived from starch by hydrolysis and chromatography</p>

<p>Core antigen fragment in ABO blood group system</p>

<p>Benzyl 4-O-(2,6-di-O-benzyl-b-D-galactopyranosyl)-2,3,6-tri-O-benzyl-D-glucopyranoside is a carbohydrate that belongs to the oligosaccharide class of saccharides. It is a synthetic compound with a CAS number (CAS No.: 128364-79-5) and a high purity. The carbohydrate has been synthesized by methylation, glycosylation, and click modification. Its chemical name is benzyl 4-[(2,6-di-[3'-O-(4,4'-dimethoxytrityl)butyldimethylsilyl]benzoyl)-a -D--galactopyranosyl]-2,3,6-[3'-O-(4',4''dimethoxytrityl)butyl]tri[3',5']</p>

<p>1,4-b-D-Xylotetraose decasulfate sodium salt is a highly purified and custom synthesized carbohydrate. It is used as a reagent in biochemical research. 1,4-b-D-Xylotetraose decasulfate sodium salt can be modified with various reagents to produce desired properties for use in various applications. Modifications can include methylation, saccharide, Polysaccharide, Click modification, or Modification. Carbohydrate modifications can include Oligosaccharide or Custom synthesis. Fluorination of 1,4-b-D-Xylotetraose decasulfate sodium salt is an available modification that produces the product with high purity and reduced viscosity. <br>1,4-b-D-Xylotetraose decasulfate sodium salt has a CAS number of 52878-68-9 and is available for custom synthesis at</p>

<p>2-O-(2-Acetamido-2-deoxy-b-D-glucopyranosyl)-D-mannopyranose is a disaccharide that contains two acetamides. It has a glycosidic bond and is classified as a glycoside. This compound has the same sequence of residues as D-mannose, but one less carbon atom. The acetamides form an ester linkage to the 2’ and 3’ hydroxyl groups on the sugar moiety.</p>

<p>Glycyl-sialyllacto-N-tetraose b is a custom synthesis of an oligosaccharide consisting of four monosaccharides. The monosaccharides are glycyl, sialyllactose and two tetrasaccharides with the configuration of (1,4)-alpha-D-mannopyranosyl-(1,2)-alpha-D-mannopyranosyl-(1,6)-beta-D-glucopyranosyl-(1,4)-alpha-D-mannopyranosyl. Glycyl-sialyllacto-N-tetraose b is a high purity product that can be modified to contain fluorine atoms. This product has been shown to have methylation activity in Methylation reactions.</p>

<p>2,3,1',3',4',6'-Hexa-O-acetyl-6-O-methacryloyl-sucrose is a saccharide that has been modified using methylation and click chemistry. It is also known as hexaacetylsucrose. This product is used in the production of glycoproteins and polysaccharides. 2,3,1',3',4',6'-Hexa-O-acetyl-6-O-methacryloyl-sucrose is a synthetic compound that can be custom synthesized to order. It has high purity and can be ordered in a variety of purities.</p>

<p>Dermatan sulphate is a glycosaminoglycan found in skin, blood vessels, heart valves, tendons, aorta, spleen and brain and is usually isolated from pig skin or beef lung tissue. The disaccharide repeat unit is composed of L-iduronic acid and N-acetyl-galactosamine-4-sulphate linked β-(1,3) and β-(1,4). There are also small amounts of D-glucuronic acid.</p>

<p>4-Methoxyphenyl 3-O-(2,3,4,6-Tetra-O-acetyl-b-D-galactopyranosyl)-2-azido-4,6-O-benzylidene-2-deoxy-b -D -galactopyranoside is a sugar that can be methylated or modified with other saccharides. It has CAS No. 91485 and can be synthesized by Click chemistry. The modification of the sugar includes glycosylation and fluorination. This compound is a complex carbohydrate that is used in synthetic chemistry.</p>

<p>Thiocellotetraose is a glycosylation product of cellulose. It is a complex carbohydrate that is similar to other saccharides. Thiocellotetraose can be obtained by methylation, click modification, and fluorination. The monosaccharide units in thiocellotetraose are glucose and mannose. This product can be custom synthesized to meet your specific requirements for purity and CAS number.</p>

<p>4-Methoxyphenyl 3-O-Bn-4-O-[4-(2,6-dideoxy-3-O-(3,4,6-tri-O-Bn-2,4,6 -O-(3,4,6-tri -O -Ac)-a -D -Man)-b -D -Man]-3,6-di -O-(3,4,6,-tri -O Bn 2 4 6 O</p>

<p>Agarose is a polysaccharide found in red algae, typically Gelidium and Gracilaria. It is a strictly alternating polysaccharide of β-1,3 linked D-galactose and α-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. It is reported that agarotriose has prebiotic properties.</p>

<p>GT1b (sodium salt) has a core tetrasaccharide structure (Galβ1,3GalNAcβ1,4Galβ1,4Glc) with two sialic acids (NeuAc) linked α2,3/α2,8 to the inner galactose residue, sialic acid (NeuAc) linked α2,3 to the terminal galactose residue and ceramide linked β to position 1 on the reducing terminal glucose residue (Ledeen, 2009). GT1b is one of the major gangliosides in neuronal and glial membranes, it interacts with the myelin-associated glycoprotein (MAG) and is essential for long-term axon-myelin stability. GT1b ganglioside also acts as a receptor for bacterial toxins, such as, tetanus and botulinum toxins (Nishik,i 1996), as well as for viruses, a few examples include: Merkel cell polyomavirus, JC virus, BK virus, norovirus, and others (Low, 2006).</p>

<p>1,6-Anhydro-3-O-b-D-glucopyranosyl-b-D-glucopyranose is a glycosylation agent that is used in the synthesis of complex carbohydrates. It has been modified by methylation, click modification, and fluorination to produce 1,6 anhydro-3-[2-(N′-[1-(4-chlorophenyl)ethylidene]amino)-2-(N′-[1-(4-chlorophenyl)ethylidene]amino)]ethylidene]-b -D glucopyranoside. This product is CAS No. 60932-82-7 and can be custom synthesized to produce high purity and low impurities.</p>

<p>2-O-(a-D-Galactopyranosyl)-D-glucopyranose is a disaccharide consisting of two monosaccharides, glucose and galactose. It also contains a hydroxy group on the second carbon atom in the molecule. 2-O-(a-D-Galactopyranosyl)-D-glucopyranose is found in some plants including sugarcane, sugar beet, and sweet potatoes. This disaccharide is broken down by enzymes called beta-galactosidases into its two monosaccharides. Beta-galactosidases are used as an enzyme therapy to treat certain genetic disorders that affect the breakdown of carbohydrates.</p>

<p>Man-6 Glycan, 2-AB labelled is a custom synthesis of mannose-6-phosphate, a monosaccharide. The molecule contains six carbons and one phosphate group. It can be modified with fluorination, methylation, or click modification. This glycan is synthesized by the addition of an oligosaccharide to a polysaccharide. Mannose-6-phosphate is an Oligosaccharide that carries out glycosylation reactions in the body. It is used as a precursor for other glycans such as N-Acetylglucosamine and N-Acetylgalactosamine.</p>

<p>Cellobiosyl fluoride has importance as a substrate and inhibitor in enzymatic reactions and shows a good combination of stability and reactivity.</p>

<p>One of the disaccharides produced during the acid reversion of D-mannose.  This mannobiose is the major repeating unit in the mannose chains of plant mannans, galacto- and gluco-mannans. It has been isolated from partial acid hydrolysates of ivory-nut (Phytelephas, macrocarpa) mannan, guaran (Cyamopsis sp.), palmyra palm (Borassus flabelliferer), fenugreek (Trigonella foenum-graecum) and lucerne (Medicago saliva) galactomannans.</p>

<p>Neutral hexasasaccharide naturally present in human breast milk</p>

<p>A rare sugar, prebiotic fibre and inhibitor of α-glucosidases. It inhibits animal-, plant- and microorganism-derived α-glucosidases I. In rodent models for diabetes, it ameliorates arachidic acid-induced liver injury and reduces hepatic inflammatory markers.</p>