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1021942-52-8

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1021942-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021942-52-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,9,4 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1021942-52:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*4)+(3*2)+(2*5)+(1*2)=108
108 % 10 = 8
So 1021942-52-8 is a valid CAS Registry Number.

1021942-52-8Relevant articles and documents

The application of (Z)-3-aryl-3-haloenoic acids to the synthesis of (Z)-5-benzylidene-4-arylpyrrol-2(5H)-ones

Gupton, John T.,Telang, Nakul,Banner, Edith J.,Kluball, Emily J.,Hall, Kayleigh E.,Finzel, Kara L.,Jia, Xin,Bates, Spencer R.,Welden, R. Scott,Giglio, Benjamin C.,Eaton, James E.,Barelli, Peter J.,Firich, Lauren T.,Stafford, John A.,Coppock, Matthew B.,Worrall, Eric F.,Kanters, Rene P.F.,Keertikar, Kerry,Osterman, Rebecca

experimental part, p. 9113 - 9122 (2011/01/12)

Studies directed at the synthesis of (Z)-5-benzylidene-4-arylpyrrol-2(5H)- ones from (Z)-3-aryl-3-haloenoic acids are described. The successful strategy relies on the preparation of (Z)-3-aryl-3-haloenoic acids from acetophenones through the corresponding

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