79769-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79769-61-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,6 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79769-61:
(7*7)+(6*9)+(5*7)+(4*6)+(3*9)+(2*6)+(1*1)=202
202 % 10 = 2
So 79769-61-2 is a valid CAS Registry Number.