9040-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9040-75-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,4 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 9040-75:
(6*9)+(5*0)+(4*4)+(3*0)+(2*7)+(1*5)=89
89 % 10 = 9
So 9040-75-9 is a valid CAS Registry Number.