77912-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77912-26-6 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 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77912-26:
(7*7)+(6*7)+(5*9)+(4*1)+(3*2)+(2*2)+(1*6)=156
156 % 10 = 6
So 77912-26-6 is a valid CAS Registry Number.