1968-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1968-77-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,6 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1968-77:
(6*1)+(5*9)+(4*6)+(3*8)+(2*7)+(1*7)=120
120 % 10 = 0
So 1968-77-0 is a valid CAS Registry Number.