513-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 513-13-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,1 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 513-13:
(5*5)+(4*1)+(3*3)+(2*1)+(1*3)=43
43 % 10 = 3
So 513-13-3 is a valid CAS Registry Number.