779197-61-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 779197-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,9,1,9 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 779197-61:
(8*7)+(7*7)+(6*9)+(5*1)+(4*9)+(3*7)+(2*6)+(1*1)=234
234 % 10 = 4
So 779197-61-4 is a valid CAS Registry Number.