205489-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205489-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,8 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 205489-00:
(8*2)+(7*0)+(6*5)+(5*4)+(4*8)+(3*9)+(2*0)+(1*0)=125
125 % 10 = 5
So 205489-00-5 is a valid CAS Registry Number.