N-[4-(4-Methyl­piperazin-1-yl­sulfonyl)­phenyl]­acet­amide monohydrate

The title compound, C₁₃H₁₉N₃O₃S·H₂O, is V-shaped and entraps a water molecule. In the crystal structure, N—H⋯O, O—H⋯O and O—H⋯N hydrogen bonds and van der Waals forces stabilize the packing of the molecules.