831-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 831-08-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 831-08:
(5*8)+(4*3)+(3*1)+(2*0)+(1*8)=63
63 % 10 = 3
So 831-08-3 is a valid CAS Registry Number.