80209-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80209-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80209-89:
(7*8)+(6*0)+(5*2)+(4*0)+(3*9)+(2*8)+(1*9)=118
118 % 10 = 8
So 80209-89-8 is a valid CAS Registry Number.