25345-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25345-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,4 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25345-53:
(7*2)+(6*5)+(5*3)+(4*4)+(3*5)+(2*5)+(1*3)=103
103 % 10 = 3
So 25345-53-3 is a valid CAS Registry Number.