Basic Information

Drug ID DDPD00268 ...
Drug Name Ropinirole
Molecular Weight 260.3746
Molecular Formula C16H24N2O
CAS Number 91374-21-9
SMILES CCCN(CCC)CCC1=C2CC(=O)NC2=CC=C1
External Links
DRUGBANK DB00268
T3DB T3D2731
PubChem Compound 5095
PDR 220
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Log P 3.06 - 3.06 - http://www.t3db.ca/toxins/T3D2731
Boiling Point 410.5 410.5±45.0 http://www.chemspider.com/Chemical-Structure.4916.html
Melting Point 246.5 243-250 FDA label
Water Solubility 133000.0 mg/L 133 mg/ml FDA label
pKa 10.17 - 10.17 - http://www.t3db.ca/toxins/T3D2731
Log S -2.9 - -2.9 - http://www.t3db.ca/toxins/T3D2731

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Factor Reference
Bioavailability 50.0 % 45-55 % PO, oral; DRUGBANK
Bioavailability 100.0 % 100.0 % PO, oral; extended release formulation; extended release formulation ↑ ; DRUGBANK
Bioavailability 55.0 % 55.0 % PO, oral; Parkinson; The Pharmacological Basis of Therapeutics
C Max 7.4 ng/ml 7.4(2.4-13) ng/ml PO, oral; Parkinson; The Pharmacological Basis of Therapeutics
T Max 1.5 h 1-2 h PO, oral; DRUGBANK
T Max 4.0 h 3.5-4.5 h PO, oral; high-fat meal; high-fat meal ↑ ; DRUGBANK
T Max 1.0 h 1.0(0.5-6.0) h PO, oral; Parkinson; The Pharmacological Basis of Therapeutics
Clearance 47.0 L/h 47.0 L/h PO, oral; DRUGBANK
Clearance 0.67 L/h/kg 11.2±5.0 ml/min/kg apparent clearance; PO, oral; Parkinson; Male, men;  Female, women; patients; hydrolysis; Elderly ↓ ;RD, renal impairment, Renal disease,including uremia → ; The Pharmacological Basis of Therapeutics
Clearance 1.8 L/h/kg 30 ml/min/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Volume of Distribution 7.5 L/kg 7.5 L/kg Apparent volume of distribution; DRUGBANK
Volume of Distribution 7.5 L/kg 7.5±2.4 L/kg Apparent volume of distribution; PO, oral; Parkinson; Male, men;  Female, women; patients; hydrolysis; The Pharmacological Basis of Therapeutics
Volume of Distribution 7.7 L/kg 7.7 L/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Half-life 6.0 h ~6 h DRUGBANK
Half-life 6.0 h 6.0 h PO, oral; The Pharmacological Basis of Therapeutics
Half-life 6.0 h 6 h intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Eliminate Route 88.0 % >88 % Urinary excretion; DRUGBANK
Eliminate Route 10.0 % <10 % Urinary excretion; Unchanged drug; DRUGBANK
Eliminate Route 10.0 % <10 % Urinary excretion; Parkinson; human, homo sapiens; Unchanged drug; The Pharmacological Basis of Therapeutics
Protein Binding 40.0 % 40 % plasma proteins; DRUGBANK
Protein Binding 40.0 % ~40 % Parkinson; 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 24.0 mg/day 24 mg/day PO, oral Requip ropinirole PDR
Max dose for elderly 24.0 mg/day 24 mg/day PO, oral Requip ropinirole 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