Glycosciences

<p>Potential prebiotic oligosaccharides made from agar by enzymatic hydrolysis</p>

<p>(D-Galactopyranosyl)-b-D-thiogalactopyranoside is a synthetic disaccharide, specifically used in biochemical and molecular biology research. It is often derived through chemical synthesis using various monosaccharide precursors, designed to mimic natural disaccharides with a modified linkage. This compound acts as a non-metabolizable analog of lactose and can inhibit enzymes like β-galactosidase due to its structural similarity. Importantly, its sulfur-containing thiol linkage imparts unique stability and reactivity characteristics distinct from natural glycosidic bonds.The primary application of (D-Galactopyranosyl)-b-D-thiogalactopyranoside is in research studies exploring carbohydrate-protein interactions, enzyme inhibition assays, and the specificity of galactoside-binding proteins. It serves as a tool to elucidate the mechanics of glycosidases and to develop enzyme assays critical for the study of metabolic pathways involving galactosides. Further, it finds use in diagnostics as a reporter substrate in assays where differentiation from native substrates is necessary. Its role in these applications highlights the compound's utility in advancing scientific knowledge of carbohydrate biochemistry.</p>

<p>D-ribose (Rib) is an aldopentose, a component of RNA and a constituent of numerous cofactors, and certain vitamins. (Collins, 2006). Ribose is a component of bacterial polysaccharides found in Salmonella (Lindberg, 1990). Ribosylation leads to the production of significant amounts of advanced glycation end products, both extracellularly and intracellularly, it may be involved in cell dysfunction and subsequent cognitive impairments (Wei, 2012).</p>

<p>Used in synthetic organic chemistry and natural product synthesis. Induces apoptosis by inhibiting the synthesis and increasing the efflux of glutathione. It is used for synthesis of optically active dipyrrolyl alkanols from pyrroles on the surface of montmorillonite KSF clay.</p>

<p>1-Amino-2,5-anhydro-D-glucitol is a synthetic monosaccharide with the chemical formula C6H12O6. It is often used in custom synthesis and click modification of polysaccharides and oligosaccharides. The fluorination of this compound can be done to obtain a fluorinated 1-amino-2,5-anhydro-D-glucitol. 1AADG can also be modified at its methyl group to produce N,N'-diacetylmethylenecyclohexane carboxamide (CAS No. 2166517-07). This product has been shown to inhibit the growth of bacteria such as Clostridium perfringens and Mycobacterium tuberculosis.</p>

<p>2,3:4,5:6,7-Tri-O-isopropylidene-D-glycero-D-ido-heptonic acid methyl ester is an oligosaccharide that is a synthetic glycosylation product. It is a complex carbohydrate that has a high purity and CAS No. This compound can be custom synthesized to your specifications and modified in the lab with fluorination or methylation.</p>

<p>(2R, 3R, 4R) -3, 4- Difluoro- 1- (phenylmethyl) - 2- pyrrolidinemethanol is a synthetic compound that has been modified to contain fluoro substituents. It is an intermediate for the synthesis of oligosaccharides and complex carbohydrates. This compound can be used in click chemistry or glycosylation reactions. The purity of this compound is greater than 99% and it has not been tested on animals.</p>

<p>Please enquire for more information about 2-Keto-L-gluconic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>GDP-D-mannose is a natural mannosyl donor and substrate for mannosyltransferases that catalyses mannosylation, for instance during the synthesis of the trimannoside core of complex, high-mannose or hybrid N-glycans. GDP-D-mannose is widely used in (chemo)enzymatic synthesis of oligosaccharides and its biosynthesis occurs from glucose-6-phosphate over several steps. GDP-D-mannose consists of a D-mannose unit, α-glycosydically linked to the nucleotide guanosine diphosphate (GDP). Examples of this important reaction would be the transfer of mannosyl moieties onto the dolichol-P-P-GlcNAc2 precursor of N-glycans in the endoplasmatic reticulum, with release of GDP, or the mannosylation reactions during GPI-anchor (bio)synthesis. GDP-D-mannose has also been used for the in vitro synthesis of b-mannan oligosaccharides.</p>

<p>L-Erythrulose is an organic compound that is a sugar alcohol. It can be synthesized from the aldol reaction of glycolaldehyde and dehydroascorbic acid, which are both found in natural sources. L-Erythrulose has shown to have intramolecular hydrogen transfer (H-transfer) reactions, where the hydroxyl group migrates from one C atom to another. This kinetic data was obtained using surface methodology on model systems containing l-erythrulose and bacteria with wild-type or mutant strains. The conformational properties of L-erythrulose were also investigated by comparing its chemical structures with those of other sugars.</p>

<p>Dextran sulfate sodium salt is a water-soluble polymer that is used as a drug carrier and has many applications in the pharmaceutical industry. It is an oligosaccharide with an average molecular weight of 9,000 to 16,000 Daltons. Dextran sulfate sodium salt can be used for the treatment of cavities, especially those that are infected or in which there is a risk of infection. It can also be used for intubation and has been shown to be effective at reducing allergic reactions by blocking the release of histamine by mast cells. Dextran sulfate sodium salt also has kinetic properties and can be used to study enzymatic reactions. This polymer is not toxic because it cannot be absorbed through the skin or gastrointestinal tract.</p>

<p>Non-cariogenic sweetener; part of carbohydrate-based, biodegradable tensides</p>

<p>Ribulose 5-phosphate sodium is a chemical that can be used to inhibit the enzyme ribulose phosphate reductase. Ribulose 5-phosphate sodium has been shown to inhibit glycolaldehyde production in the chloroplasts of plants, effectively reducing the amount of carbon dioxide produced. This chemical has also been shown to have an inhibitory effect on other enzymes involved in carbon fixation and assimilation. The effectiveness of this chemical is dependent on the specific plant species and environmental conditions.</p>

<p>Reference compound for metabolites of the pentosephosphate pathway</p>

<p>Chondroitin disaccharide 6S sodium salt is a synthetic, fluorinated, oligosaccharide that has been custom synthesized and glycosylated. It is a sugar-based compound with a high purity and excellent solubility in water. It was synthesized by click modification of the sugar monomer with an amine group at the reducing end. The chondroitin disaccharide 6S sodium salt was further modified with methylation to yield a product with a higher purity.</p>

<p>Applications N,N-[Iminobis(trimethylene)]bis-D-gluconamide (cas# 86303-20-0) is a compound useful in organic synthesis.<br></p>

<p>D-Xylulose 5-phosphate sodium salt is a synthetic monosaccharide that can be used in the synthesis of oligosaccharides, polysaccharides, and complex carbohydrates. It is also used in glycosylation reactions. D-Xylulose 5-phosphate sodium salt has been fluorinated to provide better stability and solubility. The compound has a molecular weight of 206.06 g/mol and a CAS number of 105931-44-0. This product is available for custom synthesis upon request.</p>

<p>3-O-Benzyl-D-mannose is a glycoside that is synthesized by the reaction of dibutyltin oxide with an anomeric or other glycosidic sugar. The reaction proceeds via a nucleophilic addition of the tin triflate to a glycosyl group followed by an electrophilic alkylation of the resulting alcohol. 3-O-Benzyl-D-mannose can be synthesized from the commercially available compound, D-mannose, and dibutyltin oxide. It has been shown to inhibit axial growth in Escherichia coli cells.</p>

<p>2-Acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-a-D-galactopyranose is a fluorinated complex carbohydrate that has been modified by methylation and acetylation. This product is a custom synthesis that has not been previously described in the scientific literature. It is synthesized from 2, 3, 4, 6 tetraacetyl alpha D galactopyranoside and 2 deoxy alpha D galactopyranose. The chemical properties of this compound are similar to those of other complex carbohydrates such as glycogen and heparin.</p>

<p>4-Deoxy-D-glucose is a sugar that is synthesized by the condensation of two molecules of erythrose. It has been shown to be an efficient donor substrate for nucleophilic attack, which can lead to the synthesis of glycosides and other natural products. 4-Deoxy-D-glucose is also a competitive inhibitor of uridine diphosphate (UDP) glucose, which is an enzyme involved in the biosynthesis of UDP sugars and glycoproteins. The concentration of 4-deoxy-D-glucose affects its catalytic mechanism, as it acts as a competitive inhibitor at high concentrations. Molecular modeling has revealed that this molecule adopts a chair conformation with significant solvent exposure.</p>

<p>D-ribulose-5-phosphate sodium is a nucleotide sugar that is one of the ribonucleotides, which are fundamental components of RNA. D-ribulose 5-phosphate sodium has been shown to be an intermediate in the metabolism of ribulose and catalyzes the oxidation of d-arabinose. This enzyme also catalyses the synthesis of fatty acids and participates in reactions involving glycerolipids and phospholipids. The reaction mechanism involves a double displacement with simultaneous attack by a water molecule on C2' and C3'. When deuterium is present, it affects the rate of these reactions in a way that depends on the orientation of the substrate to the enzyme.</p>

<p>Ethyl 2,3,6-tri-O-benzoyl-b-D-thioglucopyranoside is a synthetic monosaccharide with a complex carbohydrate structure. It can be custom synthesized to order and is available in high purity. This product is a glycosylation reagent that can be used for the synthesis of oligosaccharides and polysaccharides. The product has been shown to react with primary alcohols and amines in the presence of catalysts such as TMSOTf, DCC, or EDC to form ether bonds or amine bonds respectively. Ethyl 2,3,6-tri-O-benzoyl-b-D-thioglucopyranoside also reacts with thiols in the presence of catalysts such as HOBt or HOAt to form thioether bonds.</p>

<p>2,3,5-Tri-O-acetyl-b-L-ribofuranosyl chloride is a custom synthesis of an oligosaccharide. It is a complex carbohydrate that has been modified by methylation and glycosylation. This product is a high purity, fluorinated saccharide with a CAS number. It undergoes the Click modification and has been synthesized through the use of carbohydrate chemistry.</p>

<p>3'-a-Sialyl-N-acetyllactosamine sodium salt is a high purity, custom synthesis sugar. It has been modified with fluorination, glycosylation, and methylation to provide the desired properties. This product is also available in other forms such as monosaccharide and saccharide. 3'-a-Sialyl-N-acetyllactosamine sodium salt can be used in various applications including Click modification, fluoroamination, glycosylation, carbonylation and methylation. CAS No. 350697-53-9</p>

<p>Methyl D-arabinofuranoside is an antimycobacterial agent that inhibits the synthesis of mycolic acids, which are important components of the cell wall of Mycobacterium tuberculosis. Methyl D-arabinofuranoside has been shown to be active against drug-resistant strains and has been well tolerated by animals. This compound can be synthesized from 2,4-dichlorophenylacetic acid and arabinose in two steps. The first step involves a three-component condensation reaction with sodium hydroxide, hydrochloric acid, and 2,4-dichlorophenylacetic acid. The second step is a nucleophilic attack on the pyran ring of methyl D-arabinofuranoside with hypophosphorous acid. Methyl D-arabinofuranoside can also be prepared by reacting sodium nitrosobenzene with sodium benzene sulfinate in alcoholic solution</p>

<p>1,2,3,5-Tetra-O-acetyl-β-D-ribofuranose is a sugar that has been acetylated at the hydroxyl group. It has biological properties that are similar to those of 1,2,3,5-tetraacetyl-β-D-ribofuranose. This compound is an analog of 1,2,3,5-tetraacetyl-β-D-ribofuranose and can be used as a model system for studying the effects of acetylation on the properties of this molecule. Acetylation at the hydroxyl group in sugars can lead to low energy (chemical) properties. The acetylated form of this compound reacts with trifluoromethanesulfonic acid to give tetrafluoroethylene and ammonium sulfate in a model reaction solution. 1,2,3,5-Tetraacetyl β</p>

<p>Cyclohexylethanoyl-N-Hydroxyethylglucamide (CYE) is a membrane protein with a strong affinity for the bacterial enzyme histidine kinase, which is involved in the regulation of bacterial cell wall synthesis. CYE binds to the catalytic site of this enzyme and inhibits its activity. CYE also has an inhibitory effect on clostridium dehydrogenases and campylobacter adenylate cyclases. CYE has been shown to bind to other enzymes, such as tecnologia and diffraction, synchrotron, staphylococcus kinases, and campylobacter adenylate cyclases. Structural studies of CYE have been carried out using crystallography at the Instituto de Tecnología Química e Biológica in Campinas, Brazil.</p>

<p>Methyl 2-O-(methyl 4-O-methyl-α-D-glucopyranosyluronate)-β-D-xylopyranoside is a methyl glycoside disaccharide</p>

<p>1,5-α-L-Arabinohexaose is a carbohydrate. It is a nonreducing sugar that can be found in plants. 1,5-α-L-Arabinohexaose has an optimum pH of 5 and an ethanol concentration of 0.02%. The enzyme form of 1,5-α-L-Arabinohexaose is α-(1→6)-glycosidase. This enzyme hydrolyzes the α-(1→6) glycosidic bond between two glucose residues in a polysaccharide chain to produce β-(1→4) bonds. It also hydrolyzes the β-(1→4) glycosidic bond between two galactose residues to produce β-(1→2) bonds and oxidizes the terminal carbon atom to produce aldehyde products.<br>A structural analysis of this carbohydrate was conducted using marine microorganisms and it was found that they contain galacturonic acid and sugar residues</p>

<p>Please enquire for more information about 1,5-α-L-Arabinooctaose including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Low calcium heparin is a glycosaminoglycan, which occurs in many mammalian tissues and has important anticoagulant and thrombolytic properties. The chemical structure is composed mainly of two disaccharide repeating units A and B. A is L-iduronic acid 2-suplhate linked α-(1,4) to 2-deoxy-2-sulfamido-D-galactose 6-sulphate, while B is D-glucuronic acid β-(1,4) linked to 2-deoxy-2-sulfamido-D-glucose 6-sulphate.</p>

<p>Decyl D-glucopyranoside is a sodium salt of decyl D-glucopyranoside that is used as a detergent additive in cleaning compositions. Decyl D-glucopyranoside has shown antimicrobial activity against both Gram-positive and Gram-negative bacteria, including methicillin resistant Staphylococcus aureus (MRSA) and Clostridium perfringens. Decyl D-glucopyranoside has also been shown to have chemical stability at high temperatures, making it useful in the manufacture of lacrimal gland preparations and cationic surfactants.</p>

<p>trans-Zeatin-O-glucoside is a cytokinin metabolite, which is a compound derived from the naturally occurring plant hormone zeatin. This product is synthesized or can be naturally found in plants, where it plays a crucial role in the regulation of growth and development. As a glucoside, it involves a glucose molecule attached to the cytokinin, which affects the compound's solubility, stability, and transport within the plant system.</p>