403-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403-00-9 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 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 403-00:
(5*4)+(4*0)+(3*3)+(2*0)+(1*0)=29
29 % 10 = 9
So 403-00-9 is a valid CAS Registry Number.