54022-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54022-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,2 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54022-43:
(7*5)+(6*4)+(5*0)+(4*2)+(3*2)+(2*4)+(1*3)=84
84 % 10 = 4
So 54022-43-4 is a valid CAS Registry Number.