575-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 575-20-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 575-20:
(5*5)+(4*7)+(3*5)+(2*2)+(1*0)=72
72 % 10 = 2
So 575-20-2 is a valid CAS Registry Number.