57518-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57518-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,1 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57518-54:
(7*5)+(6*7)+(5*5)+(4*1)+(3*8)+(2*5)+(1*4)=144
144 % 10 = 4
So 57518-54-4 is a valid CAS Registry Number.