981-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 981-68-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,8 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 981-68:
(5*9)+(4*8)+(3*1)+(2*6)+(1*8)=100
100 % 10 = 0
So 981-68-0 is a valid CAS Registry Number.