77913-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77913-95-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,1 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77913-95:
(7*7)+(6*7)+(5*9)+(4*1)+(3*3)+(2*9)+(1*5)=172
172 % 10 = 2
So 77913-95-2 is a valid CAS Registry Number.