54008-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54008-14-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,0 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54008-14:
(7*5)+(6*4)+(5*0)+(4*0)+(3*8)+(2*1)+(1*4)=89
89 % 10 = 9
So 54008-14-9 is a valid CAS Registry Number.