80957-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80957-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,5 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80957-49:
(7*8)+(6*0)+(5*9)+(4*5)+(3*7)+(2*4)+(1*9)=159
159 % 10 = 9
So 80957-49-9 is a valid CAS Registry Number.
80957-49-9Relevant articles and documents
Acrylonitrile compounds
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Page/Page column 49, (2010/01/31)
The present invention relates to acrylonitrile compounds of formula (1): [wherein, R is a C1-C6alkyl, a C3-C7cycloalkyl optionally substituted by a C1-C4alkyl, a naphthyl, etc., R1/su