24247-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24247-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,2,4 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 24247-20:
(7*2)+(6*4)+(5*2)+(4*4)+(3*7)+(2*2)+(1*0)=89
89 % 10 = 9
So 24247-20-9 is a valid CAS Registry Number.