Oligosaccharides

N-Acetyl-D-lactosamine (LacNAc) is a natural structural element in a variety of glycoconjugates, found in milk, urine, meconium and glyciproteins. It’s a substrate for galactosidases, fucosyltransferases, and sialyltransferases. This LacNAc is also useful as a lectin inhibitory sugar and for characterizing lectins.

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

Benzyl 4-O-(b-D-galactopyranosyl)-b-D-glucopyranoside is a Glycosylation product that is custom synthesized to order. It is an oligosaccharide, which is synthesized by the modification of monosaccharides with other saccharides. This product has been fluorinated and acetylated at its C4 position and methylated at its C6 position. This compound has CAS No. 18404-72-3 and can be used as a sugar in the synthesis of complex carbohydrates or as a component of polysaccharides.

<p>Cellotriose is a bifunctional sugar that can be chemically converted to cellobiose and D-cellopentaose. Cellotriose is a component of cellulose, which is the most abundant biopolymer on Earth. Cellotriose is a source of chitin, which is a major component of the exoskeleton of insects and crustaceans. The molecule has been observed using atomic force microscopy to have an amphiphilic nature, in that it has both hydrophobic and hydrophilic regions. Cellotriose has been synthesized in the laboratory for use as an artificial sweetener, but it does not taste as good as sucrose because it lacks the sweetness profile. When heated, cellotriose undergoes a color change from yellow to blue-green due to its ability to form hydrogen bonds with oxygen molecules. This property can be used as a colorimetric test for cellulase activity in solutions.</p>

<p>Derived from pullulan using pullulanase</p>

<p>This is a custom synthesis of a complex carbohydrate. The CAS number is not available and the polysaccharide has been modified. It has been glycosylated, methylated, and fluorinated. It is high purity and the sugar sequence is a custom synthesis.</p>

<p>Tetra-O-benzyl-2-O-(2,3,4,6-tetra-O-benzyl-a-D-glucopyranosyl)-b-D-galactopyranoside is a polysaccharide that is synthesized by the methylation of 1,3,4,6-tetra-O-benzyl -2,3,4,6 tetra - O - benzyl - a - D - glucopyranoside. It can be used to modify proteins and oligosaccharides. This product is custom synthesized and has high purity.</p>

<p>Substrate for glucoamylases; derived from pullulan using pullulanase</p>

<p>Carbohydrate moiety of globopentaosylceramide</p>

<p>The H type I tetrasaccharide is a glycosylated molecule that belongs to the class of complex carbohydrates. It is an oligosaccharide with a high purity and high degree of methylation. The H Type I Tetrasaccharide is an important component in immunoglobulin G and can be used in the modification of proteins and other compounds, such as oligosaccharides. The H Type I Tetrasaccharide has been shown to have anti-inflammatory properties due to its ability to inhibit the release of pro-inflammatory cytokines from mast cells.</p>

<p>Alpha-1,4-glucopentasaccharide derived from starch by hydrolysis and chromatography</p>

Sialylated trisaccharide found in human urine

<p>Man-9 N-glycan is a glycoprotein that is found on the surface of many viruses. It has an oligosaccharide structure, which consists of a mannose and a glucose molecule linked by an alpha-1,3-glycosidic bond. The Man-9 N-glycan can be found in human serum and is involved in lectin binding to cells. It also has antiviral activity and may be used as a model system for studying glycosidic bonds. This glycan can be broken down into smaller components by methyl glycosides or titration calorimetry, which is a technique for determining the molecular weight of substances. The Man-9 N-Glycan binds to toll-like receptor 2 (TLR2) on the surface of human cells, which activates an antibody response.</p>

<p>Tri-mannuronic acid sodium salt (b-1,4-linked sodium mannuronotriose) is one of a number of oligosaccharides obtained from alginate which is a polysaccharide in brown seaweeds containing: blocks of repeating mannuronic acid sequences (M-M-M-M etc), repeating guluronic acid sequences (G-G-G-G etc), and alternating M-G-M-G sequences.Oligosaccharides can be released using several methods (Lua, 2015; Yanga, 2004) and claims have been published that mannuronic acid oligosaccharides for example, can be effective in the prophylaxis and treatment of Alzheimer's disease, or for the prophylaxis and treatment of diabetes (USP 8835403B2, 2014).</p>

Human milk oligosaccharide; attenuates inflammatory cytokine release

Benzyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-b-D-glucopyranoside is an oligosaccharide that is synthesized from D-(+)-galactose, D-(+)-glucose and benzyl alcohol. This product can be used for the modification of saccharides and has been shown to have a high purity. It has been fluorinated at the alpha position and glycosylated with acetamidobenzoyl group. The molecular weight of this product is 378.12 g/mol. CAS No.: 53167-38-7

<p>A antigen pentasaccharide Type I I, possible use in antiviral development</p>

Key synthetic precursor for the synthesis of lacto-oligosaccharides

<p>6'-a-Sialyl-N-acetyllactosamine-sp-biotin is a recombinant modified oligosaccharide. It is an Oligosaccharide that is synthesized by the methylation of 6'-sialyllactose with acetic anhydride and triethylamine in DMF. It has a molecular weight of 805.00 Da and a CAS number of 1038746-08-5. 6'-a-Sialyl-N-acetyllactosamine-sp-biotin may be used as a monomer for click chemistry, as well as for other applications in carbohydrate chemistry, such as the synthesis of polysaccharides and complex carbohydrates. This product has high purity and can be custom synthesized to order.</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. Neoagarodecaose is reported to have potential for novel cosmeceuticals.</p>

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

<p>Unusual lactose sulphate isolated from canine milk (beagle-Canis familiaris), which does not appear to have previously been isolated from milk or other natural sources. The structure was established by 2D NMR spectroscopy and mass spectrometry.</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. Neoagarotetraose is reported to have potential for novel cosmeceuticals.</p>

<p>Allyl 2,4,6-tri-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3-O-benzyl a -D -mannopyranoside is a glycosylated oligosaccharide. It is synthesized from 3,4,6 tri O acetyl 2 deoxy 2 phthalimido b D glucopyranosyl chloride and allyl alcohol by the click reaction with sodium azide in the presence of palladium catalysis. This product has been fluorinated at the 6 position of allose. The purity of this product is high and it has been modified on the saccharide chain with methyl groups at the C1 and C2 positions of glucose. Allyl 2,4,6 tri O (3 4 6 tri O acetyl 2 deoxy 2 phthalimido b D gluc</p>

D-Cellopentose heptadecaacetate is a fluorinated, monosaccharide that is synthesized from the sugar cellobiose. It is an oligosaccharide and a complex carbohydrate with one of its glycosidic bonds modified by methylation. D-Cellopentose heptadecaacetate has been shown to be effective in inhibiting glycosylation reactions and can be used as a sugar substitute or for custom synthesis. This product has been shown to have high purity and is available at CAS No. 83058-38-2.

<p>Milk oligosaccharide; antigen; expressed on gastric mucosa and cancer cells</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>4-O-Methyl-alpha-D-glucurono-beta-D-xylan is produced by the hydrolysis of xylan.  It can be used in studies to find new soluble chromogenic substrates for the assay of xylanases and glucanases.</p>

<p>4-Methoxyphenyl 4-O-(4,6-O-benzylidene-3-O-tert-butyldimethylsilyl-2-O-levulinoyl-b-D-glucopyranosyl)-3,6-di-O-benzyl -2,6'-dideoxygalactopyranoside is a modification of the natural carbohydrate galactose. The sugar moiety has been methylated and glycosylated with a levulinate ester and then fluorinated. This compound is highly pure and can be synthesized on custom order.</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>

Lewis A trisaccharide methyl glycoside is a sugar that is synthesized by the chemical modification of an oligosaccharide. The methyl glycoside is then fluorinated and reacted with a complex carbohydrate to produce Lewis A trisaccharide methyl glycoside. It has CAS No. 186315-40-2, which identifies it as a synthetic compound. This product has high purity, and can be custom synthesized to meet your needs. It is also available in both a glycosylated and non-glycosylated form.

Shortest chain oligosaccharide that can be classified as a maltodextrin. A component of liquid glucose (a commercial sweetener composed of glucose, maltose, maltotriose and maltotetrose).

<p>Isolated from the products of the acid reversion of D-mannose</p>

<p>The modification of this product has been completed with a high level of purity and the CAS number is 57-49-6. It is an oligosaccharide that is a complex carbohydrate. This product can be synthesized through custom synthesis and it is a synthetic product. It is classified as a monosaccharide, methylation, glycosylation, and polysaccharide. The chemical formula for this compound is C12H14O11. This compound has been fluorinated to increase its solubility in water.</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>

<p>Substrate for fucosidase; used in infant formula; improves health in infants</p>

<p>Sialyl Lewis X (SLeX) is a carbohydrate antigen, related to cell adhesion and it has been shown that inhibition of SLeX synthesis leads to decreased adhesion of trophoblast cells to endometrial epithelial cells (Collins, 2006). Sialyl Lewis X is displayed on the terminus of glycolipids that are present on the surface of white blood cells and it has been shown that SLeX has an important role in inflamation processes. The inital adhesion of white blood cells to a site of injury is mediated by E-selectins which are specific for SLeX. Cell-cell recognition between leukocytes and endothelial cells in blood is believed to occur in part through interactions between lectins and oligosaccharide ligands. SLeX is frequently expressed in human cancer cells and primary tumors. It has been demonstrated that SLeX was involved in the adhesion of tumor cells to vascular endothelium. The potential role of SLeX in the tumor metastatic process has been supported by several clinical studies (Liang, 2016).</p>

<p>4-Methoxyphenyl 3,4-di-O-benzyl-2,6-di-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-a-D -mannopyranoside is a synthetic glycoside that can be custom synthesized to order. It is considered to be of high purity with a CAS number 58314−10−1. This product has been fluorinated and glycosylated and is synthetically produced. 4MPBP has the following modifications: methylation, modification, and glycosylation. 4MPBP is an oligosaccharide that is composed of saccharides and a complex carbohydrate.</p>

<p>Lewis X tetrasaccharide (LX4) is a glycan that is found on the surface of human cells. It is an important diagnostic marker for microbial infections and has been shown to be present on the surfaces of both normal skin cells and malignant cells. The presence of LX4 can be detected using a monoclonal antibody in vitro. This glycan can also be used as a model system to study ischemia–reperfusion injury, since it has been shown to be sensitive to oxidative changes caused by reactive oxygen species generated during reperfusion. Studies have also shown that LX4 binds to enzymes such as malonic acid oxydoreductase, which are involved in the metabolism of lysine, arginine, and proline.</p>

<p>This compound is a synthetic glycosylation reagent that is used for the modification of proteins and polysaccharides. It can be used to introduce various sugars and oligosaccharides to proteins, such as Methylation, Click modification, Polysaccharide, Fluorination, saccharide, Modification, sugar, Oligosaccharide. The compound has a CAS No. 946164-26-7 and is available for custom synthesis with high purity.</p>

<p>β-(1→2)-Oligomannoside constituents of the Candida albicans cell wall have been shown to possess immunostimulatory properties, as evidenced by induction of cytokine production, including tumor necrosis factor (TNF) production, in humans and mice. In particular, oligosaccharide fractions, isolated and fractionated from the C. albicans cell wall, have been shown to induce TNF production in mouse macrophages. Therefore, biological studies employing well-defined synthetic β-(1→2)-linked oligomannoside compounds are of interest for verifying and studying in detail the proposed immunostimulatory properties of such constructs.</p>

<p>Consumed in large amounts around the world as a food ingredient. Other applications of sucrose include its use in surfactants (esters), polyurethanes (polyols), plastics (alkyds) to produce dextrans (Leuconostoc mesenteroides fermentation) and ethanol (Saccharomyces cerevisiae fermentation).</p>

<p>Inhibitor that targets cellulase enzymes engaged in the degradation of cellulose.</p>

<p>4-Methoxyphenyl 4-O-(3,6-di-O-benzyl-2-deoxy-4-O-levulinoyl-2-phthalimido-b-D-glucopyranosyl)-6-O-tert butyldimethylsilyl 3,O benzyl 2 deoxy 2 phthalimido b D glucopyranoside is a custom synthesis of a synthetic oligosaccharide. This glycosylation product is soluble in water and has CAS No. of 81238.</p>

<p>2,3,6-Tri-O-acetyl-gamma-cyclodextrin is a custom synthesis of a cyclodextrin. This compound is fluorinated with trifluoromethanesulfonic acid to give the desired product. The methylation of the saccharide is accomplished by reacting it with methyl iodide and sodium hydroxide in an alcoholic solution. The sugar molecule is then glycosylated by reacting it with glycosylation reagent, such as cyanuric chloride or thionyl chloride. Click modification is achieved through the reaction of a glycosylated sugar molecule with azides. Polysaccharides are synthesized by combining glycosylated sugars and polymers into one molecule.BR&gt; CAS No: 30786-38-0BR&gt; Modification: Fluorination, Methylation, Monosaccharide, Synthetic, Click modificationBR&gt; Oligosacchar</p>

<p>N-Glycolylneuraminic acid-OVA is a custom synthesis that is an Oligosaccharide. It is Polysaccharide and Modification, saccharide, Methylation, Glycosylation, Click modification, Carbohydrate, sugar. The product has a CAS No., has a purity of ≥ 95%, and is Fluorination, Synthetic.</p>

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

<p>Used as a sugar replacer in sugar-free confectionery and beverages</p>

<p>Intermediate for synthesis of N-acetyllactosaminic glycans</p>

<p>Hexaacetylchitohexaose is a hexamer of N-acetylgucosamine subunits which are linked by β-(1,4)-glucosidic bonds. N-acetylgucosamine is the monomeric unit of the natural polymer chitin which is degraded by chitinases, in mammals, to form smaller fragments that can induce an immune response. Like chitin and some of its derivatives, hexaacetylchitohexaose is a substrate of lysozymes. Hexaacetylchitohexaose has been shown to significantly inhibit tumour growth in mice by the activation of innate and adaptive immune cells.</p>

4-Methoxyphenyl 2,4,6-tri-O-(3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3-O-(benzyl)aDmannopyranoside is a custom synthesis of an oligosaccharide. It is an acetal derivative of 4methoxyphenyl 2,4,6tri O-(3,4,6tri Obenzyl 2deoxy2 phthalimido b D glucopyranosyl) 3 O (benzyl) ad mannopyranoside with a methoxymethyl group at the C5 position and a benzyl ether moiety at the C6 position. The molecule contains a methylated sugar as well as fluorine modification on the ring oxygen atom. This molecule has a high purity and is offered in both monos

<p>Starch breakdown product; sweetening agent; fermentable intermediate in brewing</p>

Mixed DP 25-50 Na galacturonans, (α-1,4 25-50 Na galacturonans) are derived from pectin or pectic acid, by enzymatic or partial acid hydrolysis. They are used in galacturonic acid metabolism research as a substrate to identify, differentiate, and characterize endo- and exopolygalacturonase(s) and gluconase(s). In recent studies, it has been shown that long oligogalacturonides (degree of polymerization (DP) from 25–50), help to induce plant defense signaling resulting in enhanced defenses to necrotrophic pathogens.

<p>2-O-a-D-Glucopyranosyl-D-galactopyranose is a synthetic monosaccharide that can be used as a glycosylate building block in the synthesis of oligosaccharides. It has been fluorinated, methylated, and click modified. This high purity material is available for custom synthesis. 2-O-a-D-Glucopyranosyl-D-galactopyranose is also known by its CAS number 7368-73-2.</p>

<p>Cancer-associated carbohydrate antigen</p>

Trehalose-6-phosphate disodium salt is a complex carbohydrate that can be modified to create a variety of products. Trehalose-6-phosphate disodium salt is made by the methylation of sugar, which creates an alpha-D-glucopyranosyl unit. This product can be used in the synthesis of oligosaccharides and polysaccharides, as well as other carbohydrates. Trehalose-6-phosphate disodium salt is also fluorinated to produce trehalose 6 phosphate fluoride, which has properties similar to those of trehalose 6 phosphate.

Chitosan oligomer (Dp 3-7) hydrochloride is a carbohydrate with a molecular weight of 1640. It is used as a sugar and an adjuvant in vaccine development. Chitosan oligomer (Dp 3-7) hydrochloride is synthesized by the reaction of chitosan with phosphoryl chloride and has been shown to have antiviral, antibacterial, and anti-inflammatory effects.

<p>CO2-philic compound; used in pharmaceuticals and CO2-based processes</p>

Acetyl protected laminaribose

<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>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>

4'-O-(2-Acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-b-D-galactopyanosyl) -b-D-lactose is a modified saccharide that belongs to the group of polysaccharides. It has a CAS number and can be custom synthesized by our company. This product is classified as a carbohydrate, sugar, or synthetic. It can be used in click modification, modification, or glycosylation reactions. 4'-O-(2-Acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-b -D -galactopyanosyl) -b -D -lactose is also fluorinated with trifluoromethanesulfonic acid and can be used for complex carbohydrate synthesis.

<p>Fully acetylated cellohexoses, part of a polymer homologous series of oligosaccharides isolated from cellulose by acetolysis followed by chromatography.</p>

Trehalose is a sugar that is found in many organisms, including humans. It is a disaccharide composed of two glucose units. Trehalose has been shown to be effective against infectious diseases such as HIV and malaria. Trehalose may have anti-inflammatory effects by inhibiting the production of pro-inflammatory cytokines such as tumor necrosis factor alpha (TNF-α) and interleukin 6 (IL-6). The water vapor pressure of trehalose dihydrate is higher than that of trehalose anhydrous, which may account for its greater stability under high humidity conditions.

3-O-(a-D-Mannopyranosyl)-D-mannopyranose 1-O-propylamine acetate salt is a methylated saccharide. It is an oligosaccharide that can be synthesized from D-mannose and pyruvic acid, with the addition of a proton donor. This product is used in the synthesis of polysaccharides due to its high purity and low cost. The methyl group on this molecule reacts with the carbonyl group on the sugar to form an ester, which makes it resistant to hydrolysis by enzymes. 3-O-(a-D-Mannopyranosyl)-D-mannopyranose 1-O-propylamine acetate salt is also fluorinated and can be used as a click modification in proteins or carbohydrates.

<p>3'-Sulfated Lewis X sodium salt is a synthetic carbohydrate with a sulfate group on the 3' position of the sugar. It is a selective blocker of E-selectin, a type of selectin that plays an important role in inflammation and tissue injury. The binding site for 3'-sulfated Lewis X sodium salt is the cavity at the end of the selectin molecule, which has a hydrophobic region. This cavity can be blocked by hydrophobic moieties such as sulfates, fatty acids, or steroids. 3'-Sulfated Lewis X sodium salt has been shown to be effective in treating inflammatory conditions such as asthma and arthritis.</p>

<p>A-BSA is an antibody that competes with the blood group antigen for binding to erythrocytes. The A-BSA is immobilized on a microtitre plate and incubated with the blood group antigen and human blood group antiserum. The concentration of A-BSA in the solution is determined by measuring the enzyme-linked immunosorbent assay (ELISA) signal using a spectrophotometer. This measurement is used to determine the concentration of blood group antigen in the sample.</p>

<p>Core antigen ABO trisaccharide conjugated to BSA</p>

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

<p>6'-O-Sulfated Lewis X is a synthetic, sulfated, monosaccharide that is modified with fluorine and methyl groups. It is used in the synthesis of oligosaccharides and polysaccharides. 6'-O-Sulfated Lewis X has been found to be effective in the prevention of glycosylation and sugar formation. This compound can also be used for click modification, as well as for modifying proteins or DNA. The CAS number is 59037-07-4.</p>

<p>4-O-(2,3,4,6-Tetra-O-acetyl-b-D-glucopyranosyl)-1,2,3,6-tetra-O-acetyl-b-D-thioglucopyranose is a glycosylated saccharide that belongs to the group of complex carbohydrates. The glycosylation of 4-O-(2,3,4,6,-Tetra-O-acetyl b -D -glucopyranosyl)-1,2,3,6,-tetra -O -acetyl b -D -thioglucopyranose is achieved by the enzymatic reaction of an acetate donor and an acceptor molecule in the presence of glucose 1 phosphate (G1P) and UDP sugar pyrophosphorylase. It has been modified by methylation with dimethyl sulphate in the presence of</p>

<p>a1-3-Galactobiose-biotin is a synthetic, fluorinated oligosaccharide that has been modified with 3 biotin molecules. It is synthesized by the glycosylation of 1,3-galactobiose and is used as an intermediate in the synthesis of carbohydrates. The sugar moiety can be modified with different chemical groups and reactions such as methylation or click modification to change its properties.</p>

b-Lactopyranosyl phenylisothiocyanate is a synthetic carbohydrate that has been modified with fluorine, methylation, glycosylation, and click chemistry. It is used in the synthesis of saccharides and oligosaccharides. This compound can also be used to modify saccharides or oligosaccharides with fluorine, methylation, glycosylations, or click chemistry.

4'-Sulfated Lewis X methyl glycoside sodium is a synthetic monosaccharide. It is used in the synthesis of oligosaccharides and polysaccharides. This compound can be fluorinated to produce 4'-fluoro-4'-sulfated Lewis X methyl glycoside sodium. The sulfate group on this compound can be replaced with other groups such as carboxyl, cyano, nitro, and acetyl.

<p>GD1b (shown as sodium salt) is one of the major gangliosides in neuronal and glial membranes. It has a core tetrasaccharide structure (Galβ1,3GalNAcβ1,4Galβ1,4Glc) with it’s two sialic acids linked α2,3/α2,8 to the inner galactose residue and ceramide linked β to position 1 on the reducing terminal glucose residue (Ledeen, 2009). GD1b acts as a receptor for BK virus as well as for heat-labile LTII-a toxin, produced by enteropathogenic E. coli. GD1b ganglioside also interacts with tetanus neurotoxin (TeNT) and is crucial for its entry into cells (Kolter, 2012).</p>

<p>Hexa-guluronic acid sodium salt (1,4-linked α-L-sodium guluronohexaose) is one of a number of oligosaccharides obtained from alginate which is a polysaccharide in brown seaweeds containing: blocks of repeating mannuronic acid sequences (M-M-M-M etc), repeating guluronic acid sequences (G-G-G-G etc), and alternating M-G-M-G sequences. This oligosaccharide can be released by acid hydrolysis (Shimokawa, 1996) and a number of biological activities have been discussed in a recent review (Xing, 2020).</p>

Lactitol is a sugar alcohol that is used in the food industry as a low-calorie sweetener and preservative. Lactitol has physiological effects such as increasing the glomerular filtration rate and decreasing serum cholesterol levels. It also inhibits inflammatory bowel disease by suppressing the production of proinflammatory cytokines, such as TNF-α, IL-1β, IL-6, and IL-8, which are associated with intestinal inflammation. Lactitol is used as an excipient for tablets or capsules to improve their dissolution properties and to provide bulk. Lactitol does not show any significant toxicity in animal studies and has been shown to be safe for human consumption at up to 15g/day.

<p>Galactinol is a diterpene that belongs to the group of phytochemicals. It is synthesized in plants and bacteria from raffinose, an oligosaccharide that is present in high concentrations in beans. Galactinol has been shown to be involved in plant physiology, with its optimum concentration at a pH of 5-7. Galactinol reacts with ascorbic acid to form galactono-1,4-lactone in a reaction mechanism similar to the one for the synthesis of raffinose. It also regulates transcriptional activity by binding to DNA and altering its conformation. This compound has been used as an experimental model for biochemical studies on polymerase chain reactions (PCR).</p>

<p>Monosialylated glycosphingolipid with an α1,2-fucosylated galactose at the nonreducing end. The moluecule is minimally expressed in healthy tissues but has high prevalence in some tumours such as small cell lung cancer (SCLC). Fucosyl-GM1 ganglioside is a potential tumour marker for SCLC and a potential antigen target for immunotherapy.</p>

<p>N-Acetylneuraminic acid dimer 1-O-propylamine is a synthetic N-acetylneuraminic acid (NANA) derivative that has been modified with an alkyl amine. This modification prevents the formation of NANA oligosaccharides and is used in the synthesis of complex carbohydrates. It is also used as a fluorinated building block for various saccharides, including monosaccharides, disaccharides, and polysaccharides. The purity of this product is greater than 99%.</p>

<p>1,6-Anhydrochitobiose is an anhydosugar that can be used in the synthesis of oligosaccharides and polysaccharides</p>

<p>1,6-Anhydro-N,N’-diacetylchitobiose is an anhydrosugar that can be used in the synthesis of oligosaccharides</p>