80409-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80409-78-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,0 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80409-78:
(7*8)+(6*0)+(5*4)+(4*0)+(3*9)+(2*7)+(1*8)=125
125 % 10 = 5
So 80409-78-5 is a valid CAS Registry Number.