22840-00-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22840-00-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,4 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22840-00:
(7*2)+(6*2)+(5*8)+(4*4)+(3*0)+(2*0)+(1*0)=82
82 % 10 = 2
So 22840-00-2 is a valid CAS Registry Number.