22522-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22522-73-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,2 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22522-73:
(7*2)+(6*2)+(5*5)+(4*2)+(3*2)+(2*7)+(1*3)=82
82 % 10 = 2
So 22522-73-2 is a valid CAS Registry Number.