111664-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111664-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,6 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 111664-05:
(8*1)+(7*1)+(6*1)+(5*6)+(4*6)+(3*4)+(2*0)+(1*5)=92
92 % 10 = 2
So 111664-05-2 is a valid CAS Registry Number.