111566-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111566-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,6 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 111566-22:
(8*1)+(7*1)+(6*1)+(5*5)+(4*6)+(3*6)+(2*2)+(1*2)=94
94 % 10 = 4
So 111566-22-4 is a valid CAS Registry Number.