ondansetron   Click here for help

GtoPdb Ligand ID: 2290

Synonyms: GR-38032F/GR-38032 | ondansetron hydrochloride | ondansetron hydrochloride dihydrate | Zofran®
Approved drug PDB Ligand
ondansetron is an approved drug (FDA (1991))
Compound class: Synthetic organic
Comment: The approved drug ondansetron is a racemic mixture of two enantiomers. The structure shown here does not specify stereochemistry and represents the mixture.
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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: ondansetron

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 2
Hydrogen bond donors 0
Rotatable bonds 2
Topological polar surface area 39.82
Molecular weight 293.15
XLogP 2.79
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 O=C1C(CCc2c1c1ccccc1n2C)Cn1ccnc1C
Isomeric SMILES O=C1C(CCc2c1c1ccccc1n2C)Cn1ccnc1C
InChI InChI=1S/C18H19N3O/c1-12-19-9-10-21(12)11-13-7-8-16-17(18(13)22)14-5-3-4-6-15(14)20(16)2/h3-6,9-10,13H,7-8,11H2,1-2H3
InChI Key FELGMEQIXOGIFQ-UHFFFAOYSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (1991))
WHO Essential Medicine WHO Essential Medicines List (EML) (23rd List, 2023). Access PDF version.
Click to view more information about the WHO Model Lists of Essential Medicines.
IUPAC Name Click here for help
9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one
International Nonproprietary Names Click here for help
INN number INN
5965 ondansetron
Synonyms Click here for help
GR-38032F/GR-38032 | ondansetron hydrochloride | ondansetron hydrochloride dihydrate | Zofran®
Database Links Click here for help
BindingDB Ligand 50000493
CAS Registry No. 99614-02-5 (source: Scifinder)
ChEBI CHEBI:7773
ChEMBL Ligand CHEMBL46
DrugBank Ligand DB00904
DrugCentral Ligand 1992
GtoPdb PubChem SID 135650761
PubChem CID 4595
RCSB PDB Ligand S87
Search Google for chemical match using the InChIKey FELGMEQIXOGIFQ-UHFFFAOYSA-N
Search Google for chemicals with the same backbone FELGMEQIXOGIFQ
Search PubMed clinical trials ondansetron
Search PubMed titles ondansetron
Search PubMed titles/abstracts ondansetron
UniChem Compound Search for chemical match using the InChIKey FELGMEQIXOGIFQ-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey FELGMEQIXOGIFQ-UHFFFAOYSA-N
Wikipedia Ondansetron