75457-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75457-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,5 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75457-04:
(7*7)+(6*5)+(5*4)+(4*5)+(3*7)+(2*0)+(1*4)=144
144 % 10 = 4
So 75457-04-4 is a valid CAS Registry Number.