13013-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13013-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,1 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13013-01:
(7*1)+(6*3)+(5*0)+(4*1)+(3*3)+(2*0)+(1*1)=39
39 % 10 = 9
So 13013-01-9 is a valid CAS Registry Number.