40164-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40164-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40164-68:
(7*4)+(6*0)+(5*1)+(4*6)+(3*4)+(2*6)+(1*8)=89
89 % 10 = 9
So 40164-68-9 is a valid CAS Registry Number.