53440-25-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53440-25-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,4 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53440-25:
(7*5)+(6*3)+(5*4)+(4*4)+(3*0)+(2*2)+(1*5)=98
98 % 10 = 8
So 53440-25-8 is a valid CAS Registry Number.