22188-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22188-59-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,8 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22188-59:
(7*2)+(6*2)+(5*1)+(4*8)+(3*8)+(2*5)+(1*9)=106
106 % 10 = 6
So 22188-59-6 is a valid CAS Registry Number.