We have found one software suitable in our database for this conversion.
ChemDraw program should support the export of its own file types like the CDX to several graphics including TIFF. So that may be the conversion you were looking for.
Other than that there also exist CDX format used in CorelDraw which also could be exported as TIFF image, but only using CorelDraw itself.
A set of tools for graphics designers. With CorelDraw Graphics Suite designers can create vector illustrations, page layout, brouchures, web sites, retouch photos, convert bitmap images and vector images. CorelDraw Graphics Suite is available only for Microsoft Windows.