22109-08-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22109-08-6 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 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22109-08:
(7*2)+(6*2)+(5*1)+(4*0)+(3*9)+(2*0)+(1*8)=66
66 % 10 = 6
So 22109-08-6 is a valid CAS Registry Number.