91192-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91192-68-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,9 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91192-68:
(7*9)+(6*1)+(5*1)+(4*9)+(3*2)+(2*6)+(1*8)=136
136 % 10 = 6
So 91192-68-6 is a valid CAS Registry Number.