457-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457-83-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,5 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 457-83:
(5*4)+(4*5)+(3*7)+(2*8)+(1*3)=80
80 % 10 = 0
So 457-83-0 is a valid CAS Registry Number.