24471-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24471-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,4,7 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 24471-18:
(7*2)+(6*4)+(5*4)+(4*7)+(3*1)+(2*1)+(1*8)=99
99 % 10 = 9
So 24471-18-9 is a valid CAS Registry Number.