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1021297-63-1

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1021297-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021297-63-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,9 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1021297-63:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*9)+(3*7)+(2*6)+(1*3)=111
111 % 10 = 1
So 1021297-63-1 is a valid CAS Registry Number.

1021297-63-1Relevant articles and documents

De novo sythesis of a D-galacturonic acid thioglycoside as key to the total synthesis of a glycosphingolipid from

Yanoikuyae, Sphingomonas,Stallforth, Pierre,Adibekian, Alexander,Seeberger, Peter H.

supporting information; experimental part, p. 1573 - 1576 (2009/04/07)

A concise synthesis of a differentially protected D-galacturonic acid (D-GalA) thioglycoside and the construction of a potent immunomodulating glycosphingolipid are described. The key steps of the synthesis are an Evans aldol reaction between a C4 aldehyde and a PMB-protected glycolyloxazolidinone as well as a tandem-PMB-deprotection/cyclization to thioglycosides. The key glycosylation step is optimized by varying the anomeric leaving group, the activating agent, and the solvent system.

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