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169557-87-3

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169557-87-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169557-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,5,5 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 169557-87:
(8*1)+(7*6)+(6*9)+(5*5)+(4*5)+(3*7)+(2*8)+(1*7)=193
193 % 10 = 3
So 169557-87-3 is a valid CAS Registry Number.

169557-87-3Relevant articles and documents

Synthesis and scalable conversion of L-iduronamides to heparin-related Di- and tetrasaccharides

Hansen, Steen U.,Miller, Gavin J.,Barath, Marek,Broberg, Karl R.,Avizienyte, Egle,Helliwell, Madeleine,Raftery, James,Jayson, Gordon C.,Gardiner, John M.

, p. 7823 - 7843 (2013/01/15)

A diastereomerically pure cyanohydrin, preparable on kilogram scale, is efficiently converted in one step into a novel L-iduronamide. A new regioselective acylation of this iduronamide and a new mild amide hydrolysis method mediated by amyl nitrite enable

2-Deoxy-2-trichloroacetamido-D-glucopyranose derivatives in oligosaccharide synthesis: from hyalouronic acid to chondroitin 4-sulfate trisaccharides

Coutant, Caroline,Jacquinet, Jean-Claude

, p. 1573 - 1582 (2007/10/02)

Suitably protected derivatives of phenyl 2-deoxy-1-thio-2-trichloroacetamido-β-D-glucopyranoside, 6, 15 and 16, a new class of glycosyl donors, were tested in the reaction with sugar acceptors of low reactivity (i.e., the methyl uronate 2).This methodolog

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