111520-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111520-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111520-28:
(8*1)+(7*1)+(6*1)+(5*5)+(4*2)+(3*0)+(2*2)+(1*8)=66
66 % 10 = 6
So 111520-28-6 is a valid CAS Registry Number.