Basic Information

Drug ID DDPD04844 ...
Drug Name Tetrabenazine
Molecular Weight 317.4226
Molecular Formula C19H27NO3
CAS Number 58-46-8
SMILES COC1=C(OC)C=C2C3CC(=O)C(CC(C)C)CN3CCC2=C1
External Links
DRUGBANK DB04844
PubChem Compound 6018
PDR 298
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Melting Point 126.0 126 MSDS
pKa 6.51 - 6.51 - FDA label

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Reference
Absorption 75.0 % >75 % PO, oral; DRUGBANK
C Max 4.8 ng/ml 4.8 ng/ml PO, oral; Huntington's disease; tardive dyskinesia; DRUGBANK
T Max 1.2 h 69 min PO, oral; Huntington's disease; tardive dyskinesia; DRUGBANK
Clearance 100.2 L/h 1.67 L/min intravenous injection, IV; DRUGBANK
Volume of Distribution 385.0 L 385.0 L intravenous injection, IV; at steady state; DRUGBANK
Half-life 7.0 h 7 h distribution half-life; DRUGBANK
Half-life 5.0 h 5 h elimination half-life; DRUGBANK
Half-life 12.0 h 12 h elimination half-life; DRUGBANK
Toxicity LD50 550.0 mg/kg 550.0 mg/kg PO, oral; mouse; DRUGBANK
Eliminate Route 75.0 % 75 % Urinary excretion; PO, oral; DRUGBANK
Protein Binding 85.0 % 82-88 % DRUGBANK

Maximum Dosage

Property Name Property Value Unit Raw Value Raw Unit Annotation Brand Name Component Reference
Max dose for adults 100.0 mg/day 100 mg/day PO, oral Xenazine tetrabenazine PDR
Max dose for adults 50.0 mg/day 50 mg/day PO, oral Xenazine tetrabenazine PDR
Max dose for elderly 100.0 mg/day 100 mg/day PO, oral Xenazine tetrabenazine PDR
Max dose for elderly 50.0 mg/day 50 mg/day PO, oral Xenazine tetrabenazine 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