205931-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205931-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,9,3 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 205931-04:
(8*2)+(7*0)+(6*5)+(5*9)+(4*3)+(3*1)+(2*0)+(1*4)=110
110 % 10 = 0
So 205931-04-0 is a valid CAS Registry Number.