Referring to an alpha numeric combination (A1) without selecting that cell

[Repeatt]

I'm trying to improve a simple excel program at work where I have to select an alpha numeric option from a drop-down box, A1, A2, A3 etc.
I want to use a simple if statement eg. =if(C3=A1, 456,0)
Where C3 is in reference to the cell location, and A1 is the drop down option. Is this possible?
FYI, I can't change the drop down options.

Thanks

[:) Sixthsense :)]

Attach a sample workbook. Make sure there is just enough data to make it clear what is needed. Include a BEFORE sheet and an AFTER sheet in the workbook if needed to show the process you're trying to complete or automate. Make sure your desired results are demonstrated, mock them up manually if needed. Remember to desensitize the data.

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[Glenn Kennedy]

Hi there. This should do it.

=IF(C3="A1", 456,0)