Bumetanide is a member of the class of benzoic acids that is 4-phenoxybenzoic acid in which the hydrogens ortho to the phenoxy group are substituted by butylamino and sulfamoyl groups. Bumetanide is a diuretic, and is used for treatment of oedema associated with congestive heart failure, hepatic and renal disease. It has a role as a diuretic and an EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor. It is a sulfonamide, an amino acid and a member of benzoic acids.