• Molecular NameEthionamide
  • SynonymET; ETH; Ethinamide; Ethionamid prothionamid; Ethionamidum [INN-Latin]; Ethioniamide; Ethylisothiamide; Ethyonomide; Etionamid; Etionamida [INN-Spanish]; Etionamide [DCIT]; Etioniamid; ETP
  • Weight166.248
  • Drugbank_IDDB00609
  • ACS_NO536-33-4
  • Show 3D model
  • LogP (experiment)N/A
  • LogP (predicted, AB/LogP v2.0)1.56
  • pkaN/A
  • LogD (pH=7, predicted)1.56
  • Solubility (experiment)Insoluble
  • LogS (predicted, ACD/Labs)(ph=7)-1.59
  • LogSw (predicted, AB/LogsW2.0)3.22
  • Sw (mg/ml) (predicted, ACD/Labs)4.26
  • No.of HBond Donors2
  • No.of HBond Acceptors2
  • No.of Rotatable Bonds2
  • TPSA71.0
  • StatusFDA approved
  • AdministrationN/A
  • PharmacologyAn antibiotic used in the treatment of tuberculosis.
  • Absorption_value100.0
  • Absorption (description)Readily absorbed after oral administration and widely distributed throughout the body.
  • Caco_2N/A
  • Bioavailability80.0
  • Protein binding30.0
  • Volume of distribution (VD)N/A
  • Blood/Plasma Partitioning ratio (D_blood)N/A
  • MetabollsmIt is extensively metabolised and is excreted in the urine mainly as metabolites with little unchanged drug. The metabolites include ethionamide sulfoxide, 2-ethylisonicotinic acid and 2-ethylisonicotinamide.
  • Half life2~3 h
  • ExcretionUrine (<1% as unchanged drug; as active and inactive metabolites)
  • Urinary ExcretionN/A
  • CleranceN/A
  • ToxicitySymptoms of overdose include convulsions, nausea, and vomiting.
  • LD50 (rat)N/A
  • LD50 (mouse)N/A