25228-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25228-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25228-23:
(7*2)+(6*5)+(5*2)+(4*2)+(3*8)+(2*2)+(1*3)=93
93 % 10 = 3
So 25228-23-3 is a valid CAS Registry Number.