Basic Information

Drug ID DDPD00843 ...
Drug Name Donepezil
Molecular Weight 379.492
Molecular Formula C24H29NO3
CAS Number 120014-06-4
SMILES COC1=C(OC)C=C2C(=O)C(CC3CCN(CC4=CC=CC=C4)CC3)CC2=C1
External Links
DRUGBANK DB00843
T3DB T3D2910
PubChem Compound 3152
PDR 138
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Log P 4.7 - 4.7 - https://www.sunpharma.com/australia-pi-download/50508/Donepezil
Boiling Point 527.9 527.9 https://www.lookchem.com/Donepezil-hydrochloride/
Melting Point 225.0 223-227 https://aksci.com/item_detail.php?cat=J10827
Water Solubility 31000.0 mg/L 31 mg/ml https://aksci.com/item_detail.php?cat=J10827
pKa 8.9 - 8.9 - https://www.sunpharma.com/australia-pi-download/50508/Donepezil

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Factor Reference
AUC 223.6 ng.h/ml 221.9-225.36 ng.h/ml Tablet, PO, oral; DRUGBANK
Bioavailability 100.0 % 100 % PO, oral; DRUGBANK
C Max 8.3 ng/ml 8.34 ng/ml Tablet, PO, oral; DRUGBANK
C Max 30.8 ng/ml 30.8±4.2 ng/ml PO, oral; The Pharmacological Basis of Therapeutics
T Max 3.5 h 3-4 h PO, oral; DRUGBANK
T Max 4.1 h 4.1±1.5 h PO, oral; different study; DRUGBANK
T Max 3.5 h 3-4 h PO, oral; The Pharmacological Basis of Therapeutics
Tss 432.0 h 15-21 day PO, oral; DRUGBANK
Clearance 0.16 L/h/kg 0.13-0.19 L/h/kg Plasma clearance; DRUGBANK
Clearance 0.11 L/h/kg 0.110±0.02 L/h/kg Plasma clearance; normal,healthy; patients; Hepatitis, Hep ↓ ; DRUGBANK
Clearance 0.17 L/h/kg 2.90±0.74 ml/min/kg apparent clearance; PO, oral; hydrolysis; hydrolysis; metabolism of ugt; young; adults; Male, men;  Female, women; hepatopathy,LD ↓ ;RD, renal impairment, Renal disease,including uremia → ; The Pharmacological Basis of Therapeutics
Volume of Distribution 11.8 L/kg 11.8 ± 1.7 L/kg DRUGBANK
Volume of Distribution 11.6 L/kg 11.6 ± 1.91 L/kg DRUGBANK
Volume of Distribution 14.0 L/kg 12-16.0 L/kg at steady state; DRUGBANK
Volume of Distribution 14.0 L/kg 14.0±2.42 L/kg Apparent volume of distribution; PO, oral; hydrolysis; hydrolysis; metabolism of ugt; young; adults; Male, men;  Female, women; Elderly ↑ ; The Pharmacological Basis of Therapeutics
Half-life 70.0 h ~70 h elimination half-life; DRUGBANK
Half-life 81.5 h 81.5±22 h DRUGBANK
Half-life 59.7 h 59.7±16.1 h young; normal,healthy; Male, men;  Female, women; PO, oral; Age ↑ ; The Pharmacological Basis of Therapeutics
Toxicity LD50 32.6 mg/kg 32.6 mg/kg PO, oral; Rattus, Rat; DRUGBANK
Eliminate Route 57.0 % 57 % Urinary excretion; adults; normal,healthy; human, homo sapiens; DRUGBANK
Eliminate Route 5.0 % 5 % Faeces excretion; adults; normal,healthy; guinea pigs; DRUGBANK
Eliminate Route 10.6 % 10.6±2.7 % Urinary excretion; adults; human, homo sapiens; Unchanged drug; The Pharmacological Basis of Therapeutics
Protein Binding 96.0 % 96 % DRUGBANK
Protein Binding 75.0 % ~75 % DRUGBANK
Protein Binding 21.0 % ~21 % DRUGBANK
Protein Binding 92.6 % 92.6±0.9 % young; normal,healthy; human, homo sapiens; The Pharmacological Basis of Therapeutics

Maximum Dosage

Property Name Property Value Unit Raw Value Raw Unit Annotation Brand Name Component Reference
Max dose for adults 23.0 mg/day 23 mg/day PO, oral Aricept donepezil hydrochloride PDR
Max dose for elderly 23.0 mg/day 23 mg/day PO, oral Aricept donepezil 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