91116-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91116-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91116-20:
(7*9)+(6*1)+(5*1)+(4*1)+(3*6)+(2*2)+(1*0)=100
100 % 10 = 0
So 91116-20-0 is a valid CAS Registry Number.