13280-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13280-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,8 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13280-13:
(7*1)+(6*3)+(5*2)+(4*8)+(3*0)+(2*1)+(1*3)=72
72 % 10 = 2
So 13280-13-2 is a valid CAS Registry Number.