54208-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54208-45-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,0 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54208-45:
(7*5)+(6*4)+(5*2)+(4*0)+(3*8)+(2*4)+(1*5)=106
106 % 10 = 6
So 54208-45-6 is a valid CAS Registry Number.