22105-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22105-09-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,0 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22105-09:
(7*2)+(6*2)+(5*1)+(4*0)+(3*5)+(2*0)+(1*9)=55
55 % 10 = 5
So 22105-09-5 is a valid CAS Registry Number.