679-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679-31-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 679-31:
(5*6)+(4*7)+(3*9)+(2*3)+(1*1)=92
92 % 10 = 2
So 679-31-2 is a valid CAS Registry Number.