57100-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57100-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,0 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57100-66:
(7*5)+(6*7)+(5*1)+(4*0)+(3*0)+(2*6)+(1*6)=100
100 % 10 = 0
So 57100-66-0 is a valid CAS Registry Number.