168089-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168089-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,0,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 168089-23:
(8*1)+(7*6)+(6*8)+(5*0)+(4*8)+(3*9)+(2*2)+(1*3)=164
164 % 10 = 4
So 168089-23-4 is a valid CAS Registry Number.