777-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 777-56-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 777-56:
(5*7)+(4*7)+(3*7)+(2*5)+(1*6)=100
100 % 10 = 0
So 777-56-0 is a valid CAS Registry Number.