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123427-34-9

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123427-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123427-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,2 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123427-34:
(8*1)+(7*2)+(6*3)+(5*4)+(4*2)+(3*7)+(2*3)+(1*4)=99
99 % 10 = 9
So 123427-34-9 is a valid CAS Registry Number.

123427-34-9Relevant articles and documents

ENANTIOSELECTIVE SYNTHESIS OF 2-BENZYLOXY ALCOHOLS AND 1,2-DIOLS VIA ALKYLATION OF CHIRAL GLYCOLATE IMIDES. A CONVENIENT APPROACH TO OPTICALLY ACTIVE GLYCEROL DERIVATIVES

Cardillo, Giuliana,Orena, Mario,Romero, Marta,Sandri, Sergio

, p. 1501 - 1508 (2007/10/02)

The alkylation of the chiral enolates of glycolate imides 2a and 2b proceedes in highly diastereoselective manner to give 2'-substituted products in good yield.Reductive cleavage with LiBH4 affords the corresponding 2-benzyloxyalcohols 3a-c and 11a-b which are successively converted to 1,2-diols in high optical purity.By this method (R)-1-propanoyloxy-2,3-propanediol 9 and (S)-1-tridecyloxy-2,3-propanediol 14, a glyceride extracted from sponges Plocamiidae, have been synthesized, starting from 2a and 2b, respectively.

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