I have misplaced the key code to my Adobe Acrobat XI Standard for Windows (CD). I have moved my office and need to reinstall. How do I get the key code?

I have misplaced the key code to my Adobe Acrobat XI Standard for Windows (CD).  I have moved my office and need to reinstall.  How do I get the key code?

There is a number on the CD.  Is there a way to contact Adobe and recapture the key code to this product?