424-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 424-79-3 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, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 424-79:
(5*4)+(4*2)+(3*4)+(2*7)+(1*9)=63
63 % 10 = 3
So 424-79-3 is a valid CAS Registry Number.