. "21649-57-0"^^ . "CHEBI:34612"^^ . . "18N5JP36GY"^^ . "CARBENICILLIN PHENYL SODIUMPTFDA18N5JP36GY" . "C79421"^^ . "Pharmacologic Substance"^^ . "UticillinBRNCI" . "Carbenicillin Phenyl SodiumPTNCI" . "C23H21N2O6S.Na"^^ . "Carbenicillin Phenyl Sodium"^^ . . . "Carbenicillin Phenyl Sodium"^^ . "Carbenicillin_Phenyl_Sodium"^^ . "C0085959"^^ . "FDA"^^ . "4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((1,3-dioxo-3-phenoxy-2-phenylpropyl)amino)-3,3-dimethyl-7-oxo-, monosodium salt, (2S-(2alpha,5alpha,6beta))SNNCI" . "The sodium salt of the phenyl ester of carbenicillin, a broad-spectrum, semisynthetic penicillin derivative with antibacterial activity. Following absorption, carbenicillin phenyl sodium is rapidly hydrolyzed to the active carbenicillin, which binds to and inactivates penicillin-binding proteins (PBPs) located on the inner membrane of the bacterial cell wall, thereby preventing the cross-linkage of peptidoglycans, which are critical components of the bacterial cell wall. This leads to a weakening of the bacterial cell wall, eventually causing bacterial cell lysis.NCI" .