Cas 139367-50-3,(R*,R*)-2-<hydroxy(2-triisopropylsilylphenyl)methyl>-5-pentanolide

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Check Digit Verification of cas no

The CAS Registry Mumber 139367-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,6 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139367-50:
(8*1)+(7*3)+(6*9)+(5*3)+(4*6)+(3*7)+(2*5)+(1*0)=153
153 % 10 = 3
So 139367-50-3 is a valid CAS Registry Number.

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139367-50-3Relevant articles and documents

Erythro-selective aldol reaction of tricarbonyl(η6-o-trialkylsilylbenzaldehyde)chromium(0) complexes with cyclic ketene silyl acetals

Mukai,Mihira,Hanaoka

, p. 2863 - 2866 (2007/10/02)

The aldol reaction of tricarbonyl(o-trimethylsilyl (TMS)-benzaldehyde)chromium(0)complex (1a) with cyclic ketene silyl acetals (2-4) afforded the corresponding erythro products selectively. Changing the ortho TMS group to a triisopropylsilyl (TIPS) group

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139367-50-3