205579-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205579-44-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,5,7 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 205579-44:
(8*2)+(7*0)+(6*5)+(5*5)+(4*7)+(3*9)+(2*4)+(1*4)=138
138 % 10 = 8
So 205579-44-8 is a valid CAS Registry Number.