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13089-23-1

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  • 4-Nitrophenyl2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-a-D-glucopyranoside

    Cas No: 13089-23-1

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13089-23-1 Usage

Chemical Properties

White Crystalline Solid

Uses

p-Nitrophenyl 2-Acetamido-2-deoxy-3,4,6-tri-O-acetyl-α-D-glucopyranoside (cas# 13089-23-1) is a compound useful in organic synthesis.

Check Digit Verification of cas no

The CAS Registry Mumber 13089-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13089-23:
(7*1)+(6*3)+(5*0)+(4*8)+(3*9)+(2*2)+(1*3)=91
91 % 10 = 1
So 13089-23-1 is a valid CAS Registry Number.

13089-23-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name [(2R,3S,4R,5R,6R)-5-acetamido-3,4-diacetyloxy-6-(4-nitrophenoxy)oxan-2-yl]methyl acetate

1.2 Other means of identification

Product number -
Other names W0320

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:13089-23-1 SDS

13089-23-1Downstream Products

13089-23-1Relevant articles and documents

Glycosidase-catalysed oligosaccharide synthesis: preparation of N-acetylchitooligosaccharides using the β-N-acetylhexosaminidase of Aspergillus oryzae

Singh, Suddham,Packwood, John,Samuel, Christopher J.,Critchley, P.,Crout, David H. G.

, p. 293 - 306 (1995)

The β-N-acetylhexosaminidase of Aspergillus oryzae catalyses the formation of 2-acetamido-4-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-2-deoxy-D-glucopyranose (di-N-acetylchitobiose) and 2-acetamido-6-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-2-deoxy-D-glucopyranose from p-nitrophenyl 2-acetamido-2-deoxy-β-D-glucopyranoside and 2-acetamido-2-deoxy-D-glucopyranose.The ratio of the two disaccharides is time-dependent.The ratio of (14)- to (16)-isomers is a maximum (ca. 9:1) at the point of disappearance of the glycosyl donor.If left to evolve, the ratio changes to 92:8 in favour of the (16)-isomer.Either the (14)- or the (16)-isomer can be isolated by treating the appropriately enriched disaccharide mixture with the β-N-acetylhexosaminidase of Jack bean (Canavalia ensiformis) or the β-N-acetylhexosaminidase of A. oryzae, respectively.Di-N-acetylchitobiose is an efficient donor of 2-acetamido-2-deoxy-D-glucopyranosyl units in reactions catalysed by the N-acetylhexosaminidase of A. oryzae.Di-N-acetylchitobiose itself acts as acceptor to give tri-N-acetylchitotriose .As the trisaccharide accumulates it, in turn, acts as acceptor giving tetra-N-acetylchitotetraose .The product mixture consisting of mono-, di-, tri-, and tetra-saccharides is conveniently separated by charcoal-Celite chromatography. Keywords: Glycosidase; N-acetylhexosaminidase; Chitooligosaccharides; Enzymatic synthesis.

NOVEL IMMUNODULATING SMALL MOLECULES

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Paragraph 0187; 0192, (2020/01/31)

The present invention includes novel compositions and methods for treating comprising a compound with the Formula I: where n = 0-5; X = NH, O, S, CH2; Y = Phenyl, a phenyl group substituted with at least one methyl, a phenyl group substituted with at least one nitro, a phenyl group substituted with at least one nitrogen, a phenyl group substituted with at least one boron, aryl, substituted aryl, heteroaryl, four to six membered cycloalkyl, four to six membered heterocycloalkyl; R = H, C(O)R2, SO2R2; R1 = H, C(O)R2, SO2R2; R2 = Ethyl, methyl, isopropyl, n-propyl, t-butyl, n- butyl, NH2, NR3R4; R3, R4 = Ethyl, methyl, isopropyl, n-propyl, t-butyl, n-butyl, three to six membered cycloalkyl and Z = NH, O, S, CH2 or none, wherein the amount of the compound is selected to either inhibit or activate the immune response.

ABIOTIC ANTI-VEGF NANOPARTICLE

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Page/Page column 30, (2018/09/25)

The present invention relates generally to compositions and methods comprising abiotic, synthetic polymers with affinity and specificity to proteins. The synthetic polymers are an improvement over biological agents by providing a simpler, less expensive, and customizable platform for binding to proteins. In one embodiment, the compositions and methods relate to synthetic polymers with affinity and specificity to vascular endothelial growth factor (VEGF). In one embodiment, the compositions are useful for treating diseases and disorders related to the overexpression of VEGF. In one embodiment, the compositions are useful for treating cancer. In one embodiment, the compositions are useful for detecting VEGF levels from biological samples. In one embodiment, the compositions are useful for detecting overexpression of VEGF from biological samples. In one embodiment, the compositions are used to diagnose cancer.

Glycosylated tris-bipyridine ferrous complexes to provide dynamic combinatorial libraries for probing carbohydrate-carbohydrate interactions

Nakamura, Motomi,Tsutsumi, Mayuka,Ishikawa, Yoshiaki,Umemiya, Haruka,Izawa, Kazumi,Abe, Haruka,Togashi, Yosuke,Kinone, Tatsuya,Sekiguchi, Sho,Igumi, Mihiro,Ide, Kanako,Hasegawa, Teruaki,Hasegawa, Toki

supporting information, p. 3019 - 3026 (2013/03/29)

2,2-Bipyridines having β-lactoside, β-d-glucoside, β-d-galactoside, and N-acetyl-β-d-glucosaminide were prepared and then, complexed with ferrous ion to afford trivalent glycoclusters having tris-bipyridine ferrous complex cores. Each glycocluster provides a dynamic combinatorial library composed of four diastereomeric stereoisomers (Δmer, Δfac, Λmer, and Λfac) whose ratios depend on their relative stabilities. CD spectral analyses of these glycoclusters showed that various cations (Na+, Mg2+, K+ or Ca2+) enriched Δ-forms of the glycocluster having β-lactosides and N-acetyl-β-d-glucosaminides possibly by cations-induced intramolecular carbohydrate-carbohydrate interactions.

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