Carboidratos e Glicoconjugados

<p>Essential component of lipopolysaccharide in most Gram-negative bacteria and the minimal structural component to sustain bacterial viability. It serves as the active component of lipopolysaccharide to stimulate potent host immune responses through the complex of Toll-like-receptor 4 and myeloid differentiation protein 2.</p>

<p>Man-7 N-Glycan is a sugar that is composed of an oligosaccharide and a monosaccharide. The oligosaccharide is composed of an alpha-1,6-linked mannose, an alpha-1,2-linked mannose, and a beta-1,2-linked mannose. The monosaccharide is composed of glucose. This sugar has been modified with methylation and fluorination on the mannose side chains. It also contains glycosylation in the form of O-(alpha-D-mannopyranosyl)-(alpha-D-mannopyranosyl)n or O-(alpha-D-mannopyranosyl)-(beta-D-mannopyranosyl)m. A CAS number for this carbohydrate has not yet been assigned because it is custom synthesized. Man 7 N Glycan can be found in nature as a component of glycogen</p>

<p>GM1 pentasaccharide, APD-HSA has a core tetrasaccharide structure (Galβ1,3GalNAcβ1,4Galβ1,4Glc) with a single sialic acid residue linked α2,3 to the inner galactose residue. Human serum albumin (HSA) is attached β to position 1 of the reducing glucose moiety via an acetylphenylenediamine (APD) linker (Ledeen, 2009). This type of conjugate has been useful in the study of the role of GM1 ganglioside in the diarrheal response caused by cholera toxin (Cervin, 2018).</p>

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

<p>Methyl 2-acetamido-2-deoxy-6-O-(b-D-galactopyranosyl)-a-D-glucopyranoside is a custom synthesis, modification and fluorination of a monosaccharide. The saccharide is modified with methylation and click modification at the 6th carbon position. This product is designed for use in the synthesis of complex carbohydrates.</p>

<p>The linker N-Allyloxycarbonyl-b-lactosamine (NALB) is a bifunctional molecule that can be used to form triplexes with DNA. The NALB has been shown to inhibit the growth of gram-negative bacteria such as Escherichia coli and Haemophilus influenzae by binding to the bacterial cell wall and disrupting its permeability. The linker is synthesized by solid phase synthesis. This process involves the stepwise addition of building blocks in a sequence that is predetermined. The residues are usually protected with protecting groups, which are then removed at the end of the synthesis process.</p>

<p>Methyl 2-acetamido-3-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-4,6-O-benzylidene-2deoxyb-Dglucopyranoside is a sugar that is used in the preparation of various drugs. It has a pyranose ring and a pyranose form. The IR spectrum displays three distinct peaks at 1730 cm−1, 1590 cm−1 and 1410 cm−1. The axial orientation of the carbon atoms can be determined by looking at the absorption spectra. There are six carbons in the molecule with two axial orientations. The methyl group has an axial orientation and the acetamido group has an equatorial orientation. This compound is not soluble in water but dissolves well in methanol or ethanol. Methyl 2-acetamido 3 O</p>

<p>Heparin disaccharide I-P trisodium salt is a synthetic, highly pure, custom-synthesized heparin derivative with a unique sequence of saccharides. It has been fluorinated and methylated to increase its stability and resistance to degradation by enzymes. Heparin disaccharide I-P trisodium salt is glycosylated, which increases its solubility in water and reduces the risk of precipitation. This product is also modified using click chemistry to introduce an oligosaccharide at one end of the molecule.</p>

<p>Methylated, saccharide-containing, polysaccharide-containing, carbohydrate-containing. CAS No.: 169800-74-1. Click modification: Click chemistry reaction with a reactive group on the saccharide or polysaccharide to form a bond with another molecule. Modification: The addition of one or more side chains to a saccharide or polysaccharide to produce a modified carbohydrate. Oligosaccharides: Carbohydrates that are composed of only two to ten monosaccharides. Glycosylation: The process in which a glycosyl group is transferred from an activated donor sugar to an acceptor molecule, forming glycosidic linkage (e.g., between sugars). High purity: The degree of chemical purity as expressed by the percent of impurities that may be present in the product (e.g., 99% pure). Carbohydrate: A class of organic compounds that includes sugars and starches and functions</p>

<p>3,2'-Di-O-acetyl-3',4'-O-carbonyl-6,6'-di-O-tert-butyldimethylsilyl-lactal is a fluorinated oligosaccharide that is custom synthesized for glycosylation and polysaccharide modifications. This product has been shown to be resistant to degradation by enzymes, including aminoglycosides, beta-lactam antibiotics, and penicillin. 3,2'-Di-O-acetyl-3',4'-O-carbonyl-6,6'-di-O-tert-butyldimethylsilyl--lactal is a high purity product with CAS number 207787 - 39 - 0.</p>

<p>N-Diphenylmethylene-O-(2,3,6,2',3',4',6'-hepta-O-acetyl-b-D-lactosyl)-L-serine, benzyl ester is a complex carbohydrate that is used for the modification of saccharides. This compound has been synthesized using Click chemistry and NMR spectroscopy. It has a CAS number of 337903-59-0 and is an off white solid with a melting point of 155°C to 158°C.</p>

<p>Iso-lactosamine HCl is a synthetic monosaccharide, glycosylation product of galactose and lactic acid. It is used in the production of oligosaccharides and complex carbohydrates. Iso-lactosamine HCl is a white powder that can be dissolved in water or ethanol.</p>

<p>Calcipotriol monohydrate, a Vitamin D3 analog, binds well to the vitamin D receptor, used in psoriasis research.</p>

<p>The Lewis X trisaccharide 4-methylumbelliferyl glycoside is a high purity, custom synthesis sugar that has been fluorinated and glycosylated. This product is a complex carbohydrate that can be used for various purposes. The CAS number for this product is 359436-57-0.</p>

<p>6,1',6'-Tri-O-tertbutyldiphenylsilyl-sucrose is a high purity, custom synthesis chemical. It is an oligosaccharide and complex carbohydrate that is a Click modification of sucrose. This chemical has been fluorinated, glycosylated, and methylated.</p>

<p>Cellulose derivative, food thickener and emulsifier, bulk forming laxative</p>

<p>Hyaluronate fluorescein is a synthetic, high purity complex carbohydrate with a molecular weight of 1500kDa. It is a modification of the naturally occurring polysaccharide hyaluronan. It is composed of repeating units of the monosaccharide D-glucuronic acid and the disaccharide N-acetyl-D-glucosamine. Hyaluronate fluorescein is synthesized by methylation and glycosylation of D-glucuronic acid, followed by fluorination to produce the fluorinated saccharide hexafluoro-D-glucuronic acid, which reacts with N-acetyl-D-glucosamine in an amidation reaction. The product can then be modified to produce hyaluronate fluorescein.</p>

<p>4-O-Acetyl-3,6-di-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-1,2-ethyledine (CAS No. 230953-17) is a carbohydrate that has been modified with acetyl groups at the 3 and 6 positions of the monosaccharide unit. This modification is a complex carbohydrate that is made up of oligosaccharides and polysaccharides. The modification causes changes in the chemical properties of the carbohydrate compared to natural saccharides. 4-O-(2,3,4,6) tetra O acetyl a D mannopyranosyl 1 2 ethyledine b D mannopyranose has been used in synthesis of custom sugars for medical applications. It has also shown anti inflammatory activities against Mycobacterium tuberculosis and Mycobacterium avium complex</p>

<p>Methyl 3-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-4,6-O-benzylidene-2-O-benzoyl-a-D-glucopyranoside is a custom synthesis that has been fluorinated and methylated. This product is a monosaccharide with a CAS No. 7123893 2. It is an oligosaccharide that can be used in the synthesis of saccharides and polysaccharides. Methyl 3 O (2 3 4 6 tetra O acetyl b D glucopyranosyl) 4 6 O benzylidene 2 O benzoyl a D glucopyranoside has been synthesized by glycosylation of sugar. This product can also be used to modify and functionalize complex carbohydrates.</p>

<p>Heparin is a polysaccharide consisting of repeating units of glucosamine and glucuronic acid that has been shown to have anti-coagulant, antithrombotic, and anti-inflammatory properties. Heparin disaccharide III-H disodium salt is a heparin disaccharide that has been modified by the addition of sodium ions. This heparin disaccharide has been shown to inhibit the proliferation of leukaemia cells in vitro, which may be due to its inhibition of DNA synthesis or cell cycle progression. The mechanism by which this heparin disaccharide inhibits cell growth is not yet known. Research into this mechanism could lead to new treatments for cancer and other diseases.</p>