424-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 424-24-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 424-24:
(5*4)+(4*2)+(3*4)+(2*2)+(1*4)=48
48 % 10 = 8
So 424-24-8 is a valid CAS Registry Number.