11098-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 11098-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,1,0,9 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 11098-80:
(7*1)+(6*1)+(5*0)+(4*9)+(3*8)+(2*8)+(1*0)=89
89 % 10 = 9
So 11098-80-9 is a valid CAS Registry Number.