91120-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91120-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,2 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91120-86:
(7*9)+(6*1)+(5*1)+(4*2)+(3*0)+(2*8)+(1*6)=104
104 % 10 = 4
So 91120-86-4 is a valid CAS Registry Number.