404911-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 404911-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,9,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 404911-80:
(8*4)+(7*0)+(6*4)+(5*9)+(4*1)+(3*1)+(2*8)+(1*0)=124
124 % 10 = 4
So 404911-80-4 is a valid CAS Registry Number.