54558-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54558-00-8 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 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54558-00:
(7*5)+(6*4)+(5*5)+(4*5)+(3*8)+(2*0)+(1*0)=128
128 % 10 = 8
So 54558-00-8 is a valid CAS Registry Number.