22040-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22040-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,4 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22040-11:
(7*2)+(6*2)+(5*0)+(4*4)+(3*0)+(2*1)+(1*1)=45
45 % 10 = 5
So 22040-11-5 is a valid CAS Registry Number.