24728-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24728-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,7,2 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24728-04:
(7*2)+(6*4)+(5*7)+(4*2)+(3*8)+(2*0)+(1*4)=109
109 % 10 = 9
So 24728-04-9 is a valid CAS Registry Number.