4574-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4574-94-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,7 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4574-94:
(6*4)+(5*5)+(4*7)+(3*4)+(2*9)+(1*4)=111
111 % 10 = 1
So 4574-94-1 is a valid CAS Registry Number.