205259-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205259-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,2,5 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 205259-43:
(8*2)+(7*0)+(6*5)+(5*2)+(4*5)+(3*9)+(2*4)+(1*3)=114
114 % 10 = 4
So 205259-43-4 is a valid CAS Registry Number.