22117-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22117-14-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,1 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22117-14:
(7*2)+(6*2)+(5*1)+(4*1)+(3*7)+(2*1)+(1*4)=62
62 % 10 = 2
So 22117-14-2 is a valid CAS Registry Number.