• Molecular NameFlucloxacillin
  • SynonymFloxacillin; Flucloxacilina [INN-Spanish]; Flucloxacillin Sodium; Flucloxacillin-Sodium; Flucloxacilline [INN-French]; Flucloxacillinum [INN-Latin]
  • Weight467.905
  • Drugbank_IDDB00301
  • ACS_NO5250-39-5
  • Show 3D model
  • LogP (experiment)2.61
  • LogP (predicted, AB/LogP v2.0)2.7
  • pka2.7
  • LogD (pH=7, predicted)-1.26
  • Solubility (experiment)Freely soluble in water
  • LogS (predicted, ACD/Labs)(ph=7)-0.99
  • LogSw (predicted, AB/LogsW2.0)0.11
  • Sw (mg/ml) (predicted, ACD/Labs)0.15
  • No.of HBond Donors2
  • No.of HBond Acceptors8
  • No.of Rotatable Bonds4
  • TPSA138.04
  • StatusFDA approved
  • AdministrationOral, IM, IV, intrapleural, intraarticular
  • PharmacologyA narrow spectrum beta-lactam antibiotic of the penicillin class. It is used to treat infections caused by susceptible Gram-positive bacteria.
  • Absorption_value80.0
  • Absorption (description)Absorption: Flucloxacillin is stable in acid media and can therefore be administered either by the oral or parenteral route.
  • Caco_2N/A
  • Bioavailability60.0
  • Protein binding95.0
  • Volume of distribution (VD)N/A
  • Blood/Plasma Partitioning ratio (D_blood)N/A
  • MetabollsmHepatic; In normal subjects approximately 10% of the flucloxacillin administered is metabolized to penicilloic acid.
  • Half life0.75~1 h
  • ExcretionRenal
  • Urinary ExcretionN/A
  • CleranceN/A
  • ToxicityRash, itching, diarrhoea, allergic reactions, colitis, jaundice, nausea and vomiting.
  • LD50 (rat)N/A
  • LD50 (mouse)N/A