988-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 988-68-1 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 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 988-68:
(5*9)+(4*8)+(3*8)+(2*6)+(1*8)=121
121 % 10 = 1
So 988-68-1 is a valid CAS Registry Number.