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138151-76-5

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138151-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138151-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,5 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138151-76:
(8*1)+(7*3)+(6*8)+(5*1)+(4*5)+(3*1)+(2*7)+(1*6)=125
125 % 10 = 5
So 138151-76-5 is a valid CAS Registry Number.

138151-76-5Relevant articles and documents

A synthesis of highly substituted aromatics through regiocontrolled construction of cyclobutenones bearing unsaturated substituents at the 4-position

Krysan, Damian J.,Gurski, Angela,Liebeskind, Lanny S.

, p. 1412 - 1418 (2007/10/02)

2,3-Substituted 4-chloro-2-cyclobutenones, prepared by regiospecific transformations of substituted cyclobutenediones, undergo palladium-catalyzed cross-coupling with vinyl- and arylstannanes and vinylzirconium reagents to form 4-Runsat-2-cyclo

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