109792-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109792-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,9 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109792-80:
(8*1)+(7*0)+(6*9)+(5*7)+(4*9)+(3*2)+(2*8)+(1*0)=155
155 % 10 = 5
So 109792-80-5 is a valid CAS Registry Number.