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117991-69-2

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117991-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117991-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,9 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117991-69:
(8*1)+(7*1)+(6*7)+(5*9)+(4*9)+(3*1)+(2*6)+(1*9)=162
162 % 10 = 2
So 117991-69-2 is a valid CAS Registry Number.

117991-69-2Relevant articles and documents

Glycosylation by sugar 1,2-O-(1-cyanobenzylidene) derivatives: influence of glycosyl-donor structure and promoter

Kochetkov, Nicolai K.,Betaneli, Vitaly I.,Kryazhevskikh, Irina A.,Ott, Andrey Ya.

, p. 85 - 98 (2007/10/02)

3,4,6-Tri-O-acetyl-1,2-O-(1-cyanobenzylidene)-α-D-galactopyranoses with differently substituted aromatic nuclei have been synthesised and used as glycosyl donors in reactions with acceptors methyl 2,3,4-tri-O-acetyl-6-O-trityl-β-D-galactopyranoside (11) a

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