Valerophenone is an aromatic ketone. It is used as a tool in the study of various photochemical processes. It is also an inhibitor of the enzyme carbonyl reductase1. Valerophenone is used as intermediates of liquid crystals.
1-Phenyl-1-pentanone, also known as butyl phenyl ketone or pentanophenone, belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. 1-Phenyl-1-pentanone is a balsam and valerian tasting compound. 1-Phenyl-1-pentanone has been detected, but not quantified in, a few different foods, such as celery stalks (Apium graveolens var. dulce), green vegetables, and wild celeries (Apium graveolens). This could make 1-phenyl-1-pentanone a potential biomarker for the consumption of these foods.