57018-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57018-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57018-66:
(7*5)+(6*7)+(5*0)+(4*1)+(3*8)+(2*6)+(1*6)=123
123 % 10 = 3
So 57018-66-3 is a valid CAS Registry Number.