24543-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24543-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,5,4 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 24543-19:
(7*2)+(6*4)+(5*5)+(4*4)+(3*3)+(2*1)+(1*9)=99
99 % 10 = 9
So 24543-19-9 is a valid CAS Registry Number.