22111-10-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22111-10-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,1 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22111-10:
(7*2)+(6*2)+(5*1)+(4*1)+(3*1)+(2*1)+(1*0)=40
40 % 10 = 0
So 22111-10-0 is a valid CAS Registry Number.