25257-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25257-24-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,5 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25257-24:
(7*2)+(6*5)+(5*2)+(4*5)+(3*7)+(2*2)+(1*4)=103
103 % 10 = 3
So 25257-24-3 is a valid CAS Registry Number.