404911-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 404911-99-5 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, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 404911-99:
(8*4)+(7*0)+(6*4)+(5*9)+(4*1)+(3*1)+(2*9)+(1*9)=135
135 % 10 = 5
So 404911-99-5 is a valid CAS Registry Number.