Basic Information

Drug ID DDPD00586 ...
Drug Name Diclofenac
Molecular Weight 296.149
Molecular Formula C14H11Cl2NO2
CAS Number 15307-86-5
SMILES OC(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl
External Links
DRUGBANK DB00586
T3DB T3D4729
PubChem Compound 3033
PDR 1070
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Log P 4.51 - 4.51 - AVDEEF,A (1997)
Melting Point 284.0 283-285 DRUGBANK
Water Solubility 2.37 mg/L 2.37 mg/L FINI,A ET AL. 1986)
pKa 4.15 - 4.15 - SANGSTER (1994)

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Factor Reference
Absorption 100.0 % 100 % PO, oral; DRUGBANK
Bioavailability 60.0 % 60 % PO, oral; DRUGBANK
Bioavailability 54.0 % 54±2 % PO, oral; The Pharmacological Basis of Therapeutics
C Max 2000.0 ng/ml 2.0(1.4-3.0) mcg/ml Tablet, PO, oral; extended release formulation; adults; normal,healthy; The Pharmacological Basis of Therapeutics
C Max 420.0 ng/ml 0.42±0.17 mcg/ml Tablet, PO, oral; Sustained Release formulation; adults; normal,healthy; The Pharmacological Basis of Therapeutics
T Max 0.42 h 0.17-0.67 h Capsule, PO, Oral; DRUGBANK
T Max 1.8 h 1.5-2 h Tablet, PO, oral; DRUGBANK
T Max 7.3 h 2.5-12 h PO, oral; food; food ↑ ; DRUGBANK
T Max 2.5 h 2.5(1.0-4.5) h Tablet, PO, oral; extended release formulation; adults; normal,healthy; The Pharmacological Basis of Therapeutics
T Max 5.3 h 5.3±1.5 h Tablet, PO, oral; Sustained Release formulation; adults; normal,healthy; The Pharmacological Basis of Therapeutics
Clearance 16.0 L/h 16.0 L/h Plasma clearance; DRUGBANK
Clearance 0.25 L/h/kg 4.2±0.9 ml/min/kg Urinary excretion; Bile excretion; Elderly → ;Hepatic cirrhosis, cirr → ;RD, renal impairment, Renal disease,including uremia → ;rheumatoid arthritis → ; The Pharmacological Basis of Therapeutics
Clearance 0.21 L/h/kg 3.5 ml/min/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Volume of Distribution 0.15 L/kg 0.1-0.2 L/kg Total volume of distribution; DRUGBANK
Volume of Distribution 0.17 L/kg 0.17±0.11 L/kg rheumatoid arthritis ↑ ; The Pharmacological Basis of Therapeutics
Volume of Distribution 0.22 L/kg 0.22 L/kg intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Half-life 2.0 h ~2 h terminal half-life; DRUGBANK
Half-life 29.4 h 25.8-33 h Metabolite; DRUGBANK
Half-life 1.1 h 1.1±0.2 h rheumatoid arthritis → ; The Pharmacological Basis of Therapeutics
Half-life 1.4 h 1.4 h intravenous injection, IV; human, homo sapiens; Human Intravenous Pharmacokinetic Dataset
Toxicity LD50 390.0 mg/kg 390.0 mg/kg PO, oral; mouse; T3DB
Eliminate Route 65.0 % 60-70 % Urinary excretion; DRUGBANK
Eliminate Route 30.0 % 30 % Faeces excretion; DRUGBANK
Eliminate Route 1.0 % <1 % Urinary excretion; Unchanged drug; The Pharmacological Basis of Therapeutics
Protein Binding 99.7 % >99.7 % DRUGBANK
Protein Binding 99.5 % >99.5 % The Pharmacological Basis of Therapeutics

Maximum Dosage

Property Name Property Value Unit Raw Value Raw Unit Annotation Brand Name Component Reference
Max dose for children 2.0 patches/day 2 patches/day skin/dermal Zipsor diclofenac potassium PDR
Max dose for adolescents 2.0 patches/day 2 patches/day skin/dermal Zipsor diclofenac potassium PDR
Max dose for adults 150.0 mg/day 150 mg/day intravenous injection, IV Zipsor diclofenac potassium PDR
Max dose for adults 200.0 mg/day 200 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for adults 150.0 mg/day 150 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for adults 125.0 mg/day 125 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for adults 32000.0 mg/day 32 g/day gel Zipsor diclofenac potassium PDR
Max dose for adults 16000.0 mg/day 16 g/day gel Zipsor diclofenac potassium PDR
Max dose for adults 8000.0 mg/day 8 g/day gel Zipsor diclofenac potassium PDR
Max dose for adults 160.0 drops/knee/day 160 drops/knee/day skin/dermal Zipsor diclofenac potassium PDR
Max dose for adults 2.0 patches/day 2 patches/day skin/dermal Zipsor diclofenac potassium PDR
Max dose for geriatric 150.0 mg/day 150 mg/day intravenous injection, IV Zipsor diclofenac potassium PDR
Max dose for geriatric 200.0 mg/day 200 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for geriatric 150.0 mg/day 150 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for geriatric 125.0 mg/day 125 mg/day PO, oral Zipsor diclofenac potassium PDR
Max dose for geriatric 32000.0 mg/day 32 g/day gel Zipsor diclofenac potassium PDR
Max dose for geriatric 16000.0 mg/day 16 g/day gel Zipsor diclofenac potassium PDR
Max dose for geriatric 8000.0 mg/day 8 g/day gel Zipsor diclofenac potassium PDR
Max dose for geriatric 160.0 drops/knee/day 160 drops/knee/day skin/dermal Zipsor diclofenac potassium PDR
Max dose for geriatric 2.0 patches/day 2 patches/day skin/dermal Zipsor diclofenac potassium 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