22123-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22123-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,2 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22123-04:
(7*2)+(6*2)+(5*1)+(4*2)+(3*3)+(2*0)+(1*4)=52
52 % 10 = 2
So 22123-04-2 is a valid CAS Registry Number.