Monossacáridos

Methyl 2,3,6-tri-O-benzoyl-α-D-galactopyranoside is a water soluble white powder. It has a molecular weight of 370.62 and a melting point of 199°C. This product is used as an intermediate in the synthesis of complex carbohydrates and is also used in the production of glycosylations and polysaccharides. The purity of this product is >98%.

(2S, 3R, 4R, 5R, 6R) -2-Ethyl- 6- (hydroxymethyl) -3, 4, 5- piperidinetriol is a synthetic monosaccharide that is modified with fluorine. The physicochemical properties of this chemical compound are:

2-Acétamido-3,4,6-tri-O-acetyl-2-deoxy-D-glucopyranose is a cytotoxic glycoside that can be used as an intermediate in the synthesis of saponins. It has been shown to yield high yields of trifluoromethanesulfonate (TFM) when reacted with glycosyl acceptors such as albizia bark extract. The TFM may then be used for the synthesis of nitromethane and alcohols. This compound also reacts with oleanolic acid to form an anomeric mixture that can be used to yield 2,3,4,6 tetraacetylated 2 deoxyglucose.

Methyl 2,3,4-tri-O-acetyl-6-O-tert-butyldiphenylsilyl a-D-galactopyranoside is an oligosaccharide that has been modified with methylation, glycosylation and fluorination. It is an important compound in carbohydrate chemistry. The oligosaccharide is synthesized by the condensation of 3 molecules of galactose with 1 molecule of mannose to form a disaccharide. This product is manufactured by custom synthesis and has been purified to high purity.

D-Galactosamine-1-phosphate is a precursor of UDP-glucose and is used in the synthesis of fatty acids. D-Galactosamine-1-phosphate is synthesized by the enzyme UDP-glucose pyrophosphorylase, which catalyzes the reaction between UDP and D-galactose. It is expressed in strains that have been engineered to produce recombinant proteins. This product can be produced in vitro by a number of methods, including enzymatic or chemical synthesis. The enzyme activity of D-galactosamine 1 phosphate synthase is temperature dependent, with optimal activity at 40°C. This product has been shown to inhibit hepatitis virus production and lipid formation in vitro.

3,5-O-Isopropylidene-a-L-xylofuranose is a Custom synthesis, modification, fluorination and methylation of a monosaccharide. 3,5-O-Isopropylidene-a-L-xylofuranose is a synthetic oligosaccharide that has been modified by click chemistry with the addition of an acetate group.

D-Glucosamine-2-N-sulfate sodium is a synthetic, high purity carbohydrate with a custom synthesis. It is an oligosaccharide that is also a sugar and a saccharide. The methylation of D-glucosamine 2-N-sulfate sodium can be achieved by glycosylation or click modification. Click modification is the addition of a carbon atom to the molecule through the reaction with an electrophile, such as N-hydroxysuccinimide ester. This modification can be used to introduce fluorine atoms into the molecules, which can improve their solubility and stability. The product has shown anti-inflammatory activities in animal models, which may be due to its ability to inhibit prostaglandin synthesis.

2-Azidoethyl b-D-fructopyranoside is a custom synthesis of glycogen, which is a complex carbohydrate. This product can be fluorinated or methylated at the 2’ position of the sugar moiety. It also has been modified with Click chemistry and polysaccharides. The CAS number for this product is 99042-58-7 and it has a purity of >99%.

Chiral-pool resource for organic synthesis

Allyl α-D-galactopyranoside is a colorimetric reagent that reacts with the polysaccharides to form a colored product. The reaction is based on the transfer of an allyl group from the reagent to the polysaccharide. This reaction can be performed using atomic force microscopy and microscopy techniques, as well as using light and UV-visible spectroscopy. The reaction can also be used to measure glycopolymer concentrations. A titration procedure has been developed for this purpose, in which an excess of allyl α-D-galactopyranoside is added to a solution containing galactose and ammonium sulfate. Allyl α-D-galactopyranoside reacts with galactose to produce an insoluble precipitate that can be measured by weighing or using optical density measurements at a certain wavelength.

6-Azido-6-deoxy-L-galactose is an analog of the natural L-galactose. It has been shown to inhibit the growth and survival of a number of human pathogens, including those that cause tuberculosis, staphylococcal infections, and meningitis. 6-Azido-6-deoxygalactose is reactive with cellular structures and glycoconjugates, which may have contributed to its antimicrobial activity in tissue culture. 6A6DG blocks fatty acid synthesis by inhibiting enzymes called acyltransferases. It also inhibits glycolysis by interfering with the conversion of glucose into glycogen through inhibition of glycogen synthase kinase 3β (GSK3β), which leads to decreased levels of ATP in cells. This compound also inhibits glutaminase activity in the brain, leading to impaired neurotransmitter release and subsequent neuronal cell death.

Carageenan is a mixture of gelling sulphated galactans extracted from red algae (typically Euchuma cottonii, Euchuma spinosum Mastocarpus stellata and Chondrus crispus). The structure of all carrageenans consists of a strictly alternating masked repeating unit of 1,3 linked α-D-galactose and 1,4 linked β-D-galactose with variable proportions of sulphate. The α-linked galactose residue occurs as α-3-6-anhydro-2-sulphate. The images were kindly provided by Prof Mike Guiry from Cork who runs ‘The Seaweed Site’.

L-Galactose is a glycol ether that has been shown to have antibacterial efficacy against Gram-positive bacteria. It acts by inhibiting the synthesis of p-hydroxybenzoic acid, which is required for the synthesis of bacterial cell walls and their components. L-Galactose also has an inhibitory effect on the growth of Gram-negative bacteria by preventing methyl glycoside formation. L-Galactose has been used in polymerase chain reaction assays as a competitive inhibitor in analytical methods. It can be used at concentrations up to 5% and does not affect x-ray diffraction data or pluripotent cells. L-galactose can be used as a preservative in cosmetics such as lotions, creams, and ointments due to its mildness and lack of toxicity. The use of L-galactose in these products may prevent spoilage due to microbial contamination.

Benzyl 4,6-O-benzylidene-a-D-mannopyranoside is a sugar compound that is used in the synthesis of glycosides. It is a custom synthesized, high purity product that can be methylated and glycosylated. The CAS number for this product is 40983-94-6.

E-Retinyl b-glucuronide is a metabolite of vitamin A that is formed in the liver by glucuronidation of retinol. It has been shown to have immunomodulatory effects and can be used to activate various immune cells, such as T lymphocytes, monocytes, and natural killer cells. E-Retinyl b-glucuronide binds to cell surface antigens and induces the expression of surface markers on mononuclear cells. In vitro studies have shown that this metabolite has growth-promoting activity for certain types of cancerous cells including colon carcinoma, breast carcinoma, and thyroid carcinoma. E-Retinyl b-glucuronide is also known to inhibit the binding of 13-cis retinoic acid to its receptor, thereby preventing the activation of genes in target tissues.

1,2,3,4-Tetra-O-benzyl-a-D-mannopyranoside is an active drug that belongs to the group of thyromimetics. It is a prodrug that is hydrolyzed in vivo to 1,2,3,4-tetra-O-acetyl-a-D-mannopyranose. This drug has been shown to be effective in treating nervous system diseases such as sclerosis and endogenous disease. The acetylation of the benzyl group on this molecule prevents it from being metabolized by enzymes that are found in the liver. The unmodified form of this drug is rapidly absorbed into the blood and reaches high concentrations quickly.

Vitamin added to plant cell culture medium to promote growth. Used to differentiate microorganisms based on their metabolic properties.