54559-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54559-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,5 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54559-17:
(7*5)+(6*4)+(5*5)+(4*5)+(3*9)+(2*1)+(1*7)=140
140 % 10 = 0
So 54559-17-0 is a valid CAS Registry Number.