77640-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77640-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77640-13:
(7*7)+(6*7)+(5*6)+(4*4)+(3*0)+(2*1)+(1*3)=142
142 % 10 = 2
So 77640-13-2 is a valid CAS Registry Number.
77640-13-2Relevant articles and documents
Alphacarbamoyl-pyrrolpropionitriles
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, (2008/06/13)
1-Substituted-β-oxo-α-phenylcarbamoyl-pyrrolpropionitriles, e.g. those of the formula STR1 their alkylenol ethers or alkanoylenol esters and salts thereof are antiinflammatory and antiarthritic agents.