57020-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57020-24-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,2 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57020-24:
(7*5)+(6*7)+(5*0)+(4*2)+(3*0)+(2*2)+(1*4)=93
93 % 10 = 3
So 57020-24-3 is a valid CAS Registry Number.