845457-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 845457-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,4,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 845457-73:
(8*8)+(7*4)+(6*5)+(5*4)+(4*5)+(3*7)+(2*7)+(1*3)=200
200 % 10 = 0
So 845457-73-0 is a valid CAS Registry Number.