Basic Information

Drug ID DDPD00330 ...
Drug Name Ethambutol
Molecular Weight 204.3098
Molecular Formula C10H24N2O2
CAS Number 74-55-5
SMILES CC[C@@H](CO)NCCN[C@@H](CC)CO
External Links
DRUGBANK DB00330
PubChem Compound 14052
PDR 2739
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Log P -0.3 - -0.3 - DRUGBANK
Melting Point 173.0 171.5-174.5 Wilkinson, R.G. and Shepherd, R.G.; U.S. Patent 3,297,707; January 10,1967; assigned to American Cyanamid Company.

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Factor Reference
Absorption 77.5 % 75-80 % PO, oral; DRUGBANK
Bioavailability 77.0 % 77±8 % The Pharmacological Basis of Therapeutics
C Max 3500.0 ng/ml 2-5 mcg/ml The Pharmacological Basis of Therapeutics
T Max 3.0 h 2-4 h Oral single dose; normal,healthy; The Pharmacological Basis of Therapeutics
Metabolic 15.0 % 15 % Liver metabolism; Inactive metabolite; DRUGBANK
Clearance 0.52 L/h/kg 8.6±0.8 ml/min/kg The Pharmacological Basis of Therapeutics
Clearance 0.60 L/h/kg 10 ml/min/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Volume of Distribution 1.6 L/kg 1.6±0.2 L/kg The Pharmacological Basis of Therapeutics
Volume of Distribution 1.7 L/kg 1.7 L/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Half-life 3.5 h 3-4 h gastroesophageal reflux disease; normal renal function; DRUGBANK
Half-life 8.0 h 8 h gastroesophageal reflux disease; RD, renal impairment, Renal disease,including uremia; DRUGBANK
Half-life 3.1 h 3.1±0.4 h RD, renal impairment, Renal disease,including uremia ↑ ; The Pharmacological Basis of Therapeutics
Half-life 3.1 h 3.1 h intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Eliminate Route 50.0 % ~50 % Urinary excretion; PO, oral; Unchanged drug; DRUGBANK
Eliminate Route 21.0 % 20-22 % Faeces excretion; PO, oral; Unchanged drug; DRUGBANK
Eliminate Route 79.0 % 79±3 % Urinary excretion; Unchanged drug; The Pharmacological Basis of Therapeutics
Protein Binding 25.0 % 20-30 % DRUGBANK
Protein Binding 18.0 % 6-30 % The Pharmacological Basis of Therapeutics

Maximum Dosage

Property Name Property Value Unit Raw Value Raw Unit Annotation Frequency Brand Name Component Reference
Max dose for infants 25.0 mg/kg 25 mg/kg PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for infants 2.5 g 2.5 g PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for children 25.0 mg/kg/day 25 mg/kg/dose PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for children 2500.0 mg 2.5 g PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for children 14.2857142857143 mg/kg/day 50 mg/kg/dose PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for children 4000.0 mg 4 g PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 25.0 mg/kg/dose 25 mg/kg/dose PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 2500.0 mg 2.5 g PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 50.0 mg/kg/dose 50 mg/kg/dose PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 1142.85714285714 mg 4 g PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 30.0 mg/kg/dose 30 mg/kg/dose PO, oral tiw Myambutol ethambutol hydrochloride PDR
Max dose for adolescents 2400.0 mg 2.4 g PO, oral tiw Myambutol ethambutol hydrochloride PDR
Max dose for adults 25.0 mg/kg/day 25 mg/kg/dose PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for adults 2500.0 mg 2.5 g PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for adults 50.0 mg/kg/dose 50 mg/kg/dose PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for adults 4000.0 mg 4 g PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for adults 30.0 mg/kg/dose 30 mg/kg/dose PO, oral tiw Myambutol ethambutol hydrochloride PDR
Max dose for adults 2400.0 mg 2.4 g PO, oral tiw Myambutol ethambutol hydrochloride PDR
Max dose for elderly 25.0 mg/kg/day 25 mg/kg/dose PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for elderly 2500.0 mg 2.5 g PO, oral qd Myambutol ethambutol hydrochloride PDR
Max dose for elderly 14.2857142857143 mg/kg/day 50 mg/kg/dose PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for elderly 4000.0 mg 4 g PO, oral biw Myambutol ethambutol hydrochloride PDR
Max dose for elderly 12.8571428571429 mg/kg/day 30 mg/kg/dose PO, oral tiw Myambutol ethambutol hydrochloride PDR
Max dose for elderly 2400.0 mg 2.4 g PO, oral tiw Myambutol ethambutol hydrochloride PDR

Drug Property Radar Chart

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Note: Center: Q1-1.5*IQR, Edge: Q3+1.5*IQR; Q1: Quantile 1, Q3: Quantile 3, IQR: Q3-Q1