13105-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13105-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,0 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13105-15:
(7*1)+(6*3)+(5*1)+(4*0)+(3*5)+(2*1)+(1*5)=52
52 % 10 = 2
So 13105-15-2 is a valid CAS Registry Number.