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55682-57-0

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55682-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55682-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,8 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55682-57:
(7*5)+(6*5)+(5*6)+(4*8)+(3*2)+(2*5)+(1*7)=150
150 % 10 = 0
So 55682-57-0 is a valid CAS Registry Number.

55682-57-0Relevant articles and documents

Oligosaccharide compound and its manufacture and its intermediate

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, (2018/04/14)

The purpose of the present invention is to provide an oligosaccharide with high versatility that can produce a protected sulfate oligosaccharide that can become a manufacturing intermediate of polysulfated hyaluronic acid, and to provide a manufacturing method therefor and an intermediate thereof. Position 2 amino groups in glucosamine, galactosamine, and the like can react with saccharide receptors having an electron attracting group such as glucuronic acid and protected sulfate groups, by using a saccharide donor protected by a specific protective group.

OLIGOSACCHARIDE COMPOUNDS FOR USE IN MOBILISING STEM CELLS

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Page/Page column 35, (2010/04/06)

A compound of the following formula or a salt, solvate or formula (I) and a pharmaceutical composition containing said compound. It concerns also its use in the treatment of cancer and/or of pathological angiogenesis and/or in promoting the mobilisation of stem cells, in particular hematopoietic stem cells.

α:β Selectivity in the synthesis of 3-substituted, 4-methyl umbelliferone glycosides of N-acetyl glucosamine and chitobiose

Ganguli, Anjali R.S.,Coward, James K.

, p. 411 - 424 (2007/10/03)

The influence of phenolic acceptor nucleophilicity; for example, 3-substituted, 4-methylumbelliferones, and glycosyl donor electrophilicity; for example, 3- and 4-substituted N-acetylglucosamines, on glycosylation stereochemistry has been evaluated. In a systematic comparison, the stereochemical outcome as well as the reaction yield appeared to be influenced by the 3- and 4-substituents of the donor as well as the 3-substituent of the aryl acceptor. In the context of synthesizing a fluorogenic substrate for oligosaccharyltransferase, an α-glycoside was desired. Although most acceptor-donor pairs led to predominantly or exclusively the β-glycoside, reaction of the most activated (3,4-di-O-benzyl) donor and the least nucleophilic acceptor (3-Br), resulted in a 1:1 ratio of α,β arylglycosides.

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