chlorzoxazone   Click here for help

GtoPdb Ligand ID: 2322

Synonyms: Paraflex®
Approved drug PDB Ligand
chlorzoxazone is an approved drug (FDA (1958))
Compound class: Synthetic organic
Comment: Chlorzoxazone acts on the central nervous system to cause muscle relaxation and sedation.
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species

IUPHAR Pharmacology Education Project (PEP) logo

View more information in the IUPHAR Pharmacology Education Project: chlorzoxazone

2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the CDK toolkit. All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 1
Hydrogen bond donors 1
Rotatable bonds 0
Topological polar surface area 46
Molecular weight 168.99
XLogP 1.61
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES Clc1ccc2c(c1)[nH]c(=O)o2
Isomeric SMILES Clc1ccc2c(c1)[nH]c(=O)o2
InChI InChI=1S/C7H4ClNO2/c8-4-1-2-6-5(3-4)9-7(10)11-6/h1-3H,(H,9,10)
InChI Key TZFWDZFKRBELIQ-UHFFFAOYSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (1958))
IUPAC Name Click here for help
5-chloro-3H-1,3-benzoxazol-2-one
International Nonproprietary Names Click here for help
INN number INN
748 chlorzoxazone
Synonyms Click here for help
Paraflex®
Database Links Click here for help
BindingDB Ligand 50290811
CAS Registry No. 95-25-0
ChEBI CHEBI:3655
ChEMBL Ligand CHEMBL1371
DrugBank Ligand DB00356
DrugCentral Ligand 626
GtoPdb PubChem SID 135650089
PubChem CID 2733
RCSB PDB Ligand CLW
Search Google for chemical match using the InChIKey TZFWDZFKRBELIQ-UHFFFAOYSA-N
Search Google for chemicals with the same backbone TZFWDZFKRBELIQ
Search PubMed clinical trials chlorzoxazone
Search PubMed titles chlorzoxazone
Search PubMed titles/abstracts chlorzoxazone
UniChem Compound Search for chemical match using the InChIKey TZFWDZFKRBELIQ-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey TZFWDZFKRBELIQ-UHFFFAOYSA-N
Wikipedia Chlorzoxazone