15513-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15513-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,1 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 15513-40:
(7*1)+(6*5)+(5*5)+(4*1)+(3*3)+(2*4)+(1*0)=83
83 % 10 = 3
So 15513-40-3 is a valid CAS Registry Number.