• Molecular NameCephalexin
  • SynonymCefalessina [DCIT]; Cefalexin; Cefalexin Sodium; Cefalexina [INN-Spanish]; Cefalexine [INN-French]; Cefalexinum [INN-Latin]; Cephalexin 1-hydrate; Cephalexin hydrate; Cephalexin monohydrate; Cephalexine; Cephalexinum; CEX
  • Weight347.395
  • Drugbank_IDDB00567
  • ACS_NO15686-71-2
  • Show 3D model
  • LogP (experiment)0.65
  • LogP (predicted, AB/LogP v2.0)-0.81
  • pka4.5
  • LogD (pH=7, predicted)-3.45
  • Solubility (experiment)1.789 mg/ml
  • LogS (predicted, ACD/Labs)(ph=7)-2.06
  • LogSw (predicted, AB/LogsW2.0)11.62
  • Sw (mg/ml) (predicted, ACD/Labs)0.69
  • No.of HBond Donors4
  • No.of HBond Acceptors7
  • No.of Rotatable Bonds4
  • TPSA138.03
  • StatusFDA approved
  • AdministrationN/A
  • PharmacologyA first-generation cephalosporin antibiotic
  • Absorption_value96.0
  • Absorption (description)N/A
  • Caco_2N/A
  • Bioavailability90.0
  • Protein binding14.0
  • Volume of distribution (VD)0.26 L/kg
  • Blood/Plasma Partitioning ratio (D_blood)N/A
  • Metabollsm90% excreted unchanged
  • Half life0.9 h
  • ExcretionRenal
  • Urinary Excretion91
  • Clerance4.3 ml/min/kg
  • ToxicitySymptoms of overdose include blood in the urine, diarrhea, nausea, upper abdominal pain, and vomiting. The oral median lethal dose of cephalexin in rats is >5000 mg/kg.
  • LD50 (rat)N/A
  • LD50 (mouse)N/A