22604-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22604-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,0 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22604-04:
(7*2)+(6*2)+(5*6)+(4*0)+(3*4)+(2*0)+(1*4)=72
72 % 10 = 2
So 22604-04-2 is a valid CAS Registry Number.