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31363-98-1

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31363-98-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31363-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,6 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31363-98:
(7*3)+(6*1)+(5*3)+(4*6)+(3*3)+(2*9)+(1*8)=101
101 % 10 = 1
So 31363-98-1 is a valid CAS Registry Number.

31363-98-1Relevant articles and documents

STEREOSELECTIVE SYNTHESES OF O- AND S-NITROPHENYL GLYCOSIDES. PART III. SYNTHESES IN THE &α-D-GALACTOPYRANOSE AND &α-MALTOSE SERIES

Apparu, Maecel,Blanc-Muesser, Michele,Defaye, Jacques,Driguez, Hugues

, p. 314 - 320 (2007/10/02)

The action of p-nitrophenol penta-O-acetyl-β-D-galactopyranose in dichloromethane, in the presence of stannic tetrachloride gave p-nitrophenyl α-D-galactoside in fair yield.This technique failed when o-nitrophenol was used.Tetra-O-acetyl-β-D-galactopyranosyl and hepta-O-acetyl-β-maltosyl chlorides were converted to p- or o-nitrophenyl α-D-glycosides and p-nitrophenyl α-D-1-thioglycosides in good yield using hexamethylphosphoramide as a solvent and the sodium salt of the phenols as nucleophiles.The galactosides have been functionalized for further condensation at the C-4 position by selective benzoylation.

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