40092-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40092-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,9 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40092-91:
(7*4)+(6*0)+(5*0)+(4*9)+(3*2)+(2*9)+(1*1)=89
89 % 10 = 9
So 40092-91-9 is a valid CAS Registry Number.