15115-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15115-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,1 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 15115-03:
(7*1)+(6*5)+(5*1)+(4*1)+(3*5)+(2*0)+(1*3)=64
64 % 10 = 4
So 15115-03-4 is a valid CAS Registry Number.