404-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 404-04-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 404-04:
(5*4)+(4*0)+(3*4)+(2*0)+(1*4)=36
36 % 10 = 6
So 404-04-6 is a valid CAS Registry Number.