95404-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 95404-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,4,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 95404-20:
(7*9)+(6*5)+(5*4)+(4*0)+(3*4)+(2*2)+(1*0)=129
129 % 10 = 9
So 95404-20-9 is a valid CAS Registry Number.