Basic Information

Drug ID DDPD00909 ...
Drug Name Zonisamide
Molecular Weight 212.226
Molecular Formula C8H8N2O3S
CAS Number 68291-97-4
SMILES NS(=O)(=O)CC1=NOC2=CC=CC=C12
External Links
DRUGBANK DB00909
T3DB T3D2928
PubChem Compound 5734
PDR 2237
Drugs.com Drugs.com Drug Page

Experimental Physicochemical Property

Property Name Property Value Unit Raw Value Raw Unit Reference
Log P 0.5 - 0.5 - DRUGBANK
Melting Point 162.0 161-163 DRUGBANK
Water Solubility 800.0 mg/L 0.8 mg/ml DRUGBANK
pKa 10.2 - 10.2 - DRUGBANK

Pharmacokinetic/ Toxicokinetic Property

Property Name Property Value Unit Raw Value Raw Unit Annotation Factor Reference
C Max 28000.0 ng/ml 28±4 mcg/ml PO, oral; adults; normal,healthy; The Pharmacological Basis of Therapeutics
T Max 3.4 h 2.8-3.9 h PO, oral; food; food → ; DRUGBANK
T Max 1.8 h 1.8±0.4 h PO, oral; adults; normal,healthy; The Pharmacological Basis of Therapeutics
Clearance 0.0195 L/h/kg 0.3-0.35 ml/min/kg patients; DRUGBANK
Clearance 0.0255 L/h/kg 0.35-0.5 ml/min/kg Drug combination; DRUGBANK
Clearance 0.007800 L/h/kg 0.13 ml/min/kg The Pharmacological Basis of Therapeutics
Volume of Distribution 1.5 L/kg 1.45 L/kg DRUGBANK
Volume of Distribution 1.5 L/kg 1.2-1.8 L/kg The Pharmacological Basis of Therapeutics
Half-life 63.0 h 63 h DRUGBANK
Half-life 63.0 h 63±14 h The Pharmacological Basis of Therapeutics
Eliminate Route 38.5 % 29-48 % Urinary excretion; PO, oral; Unchanged drug; The Pharmacological Basis of Therapeutics
Protein Binding 40.0 % 40 % DRUGBANK
Protein Binding 39.0 % 38-40 % 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 12.0 mg/kg/day 12 mg/kg/day PO, oral Zonegran zonisamide PDR
Max dose for adolescents 600.0 mg/day 600 mg/day PO, oral Zonegran zonisamide PDR
Max dose for adolescents 12.0 mg/kg/day 12 mg/kg/day PO, oral Zonegran zonisamide PDR
Max dose for adults 600.0 mg/day 600 mg/day PO, oral Zonegran zonisamide PDR
Max dose for elderly 600.0 mg/day 600 mg/day PO, oral Zonegran zonisamide 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