7-(Diethylamino)coumarin-3-carbohydrazide is a fluorophore featuring a coumarin and a hydrazide. Hydrazides can readily react with aldehydes such as those found on aldose-type sugars to form hydrazone bonds, while 7-(diethylamino)coumarin is a fluorophore which is used in a variety of applications such as in fluorescence assays.