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117562-90-0

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117562-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117562-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,6 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117562-90:
(8*1)+(7*1)+(6*7)+(5*5)+(4*6)+(3*2)+(2*9)+(1*0)=130
130 % 10 = 0
So 117562-90-0 is a valid CAS Registry Number.

117562-90-0Downstream Products

117562-90-0Relevant articles and documents

Novel selected tandem transformations of the amino and carbonyl/nitrile groups in the gewald thiophenes

Pokhodylo, Nazariy T.,Shyyka, Olga Ya.,Savka, Roman D.,Obushak, Mykola D.

experimental part, p. 2092 - 2100 (2010/12/19)

Novel transformations of the amino and carbonyl/nitrile groups in the Gewald thiophenes were studied for thienopyrimidine synthesis. It was found that 2-amino-thiophene-3-carboxamides and ethyl 2-(acetylamino)-4,5,6,7-tetrahydro- 1-benzothiophene-3-carbo-

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