phenytoin   Click here for help

GtoPdb Ligand ID: 2624

Synonyms: Dilantin® | Epanutin® | Phenytex® | phenytoin sodium
Approved drug
phenytoin is an approved drug (FDA (1953))
Compound class: Synthetic organic
Comment: Phenytoin is an anti-seizure drug.
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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: phenytoin

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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Click here for structure editor
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 4
Hydrogen bond donors 2
Rotatable bonds 2
Topological polar surface area 58.2
Molecular weight 252.09
XLogP 2.65
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=C1NC(=O)NC1(c1ccccc1)c1ccccc1
Isomeric SMILES O=C1NC(=O)NC1(c1ccccc1)c1ccccc1
InChI InChI=1S/C15H12N2O2/c18-13-15(17-14(19)16-13,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H2,16,17,18,19)
InChI Key CXOFVDLJLONNDW-UHFFFAOYSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (1953))
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.
Prodrug fosphenytoin
IUPAC Name Click here for help
5,5-di(phenyl)imidazolidine-2,4-dione
International Nonproprietary Names Click here for help
INN number INN
416 phenytoin
Synonyms Click here for help
Dilantin® | Epanutin® | Phenytex® | phenytoin sodium
Database Links Click here for help
BindingDB Ligand 50003655
CAS Registry No. 57-41-0
ChEBI CHEBI:8107
ChEMBL Ligand CHEMBL16
DrugBank Ligand DB00252
DrugCentral Ligand 2152
GtoPdb PubChem SID 53801032
PubChem CID 1775
Search Google for chemical match using the InChIKey CXOFVDLJLONNDW-UHFFFAOYSA-N
Search Google for chemicals with the same backbone CXOFVDLJLONNDW
Search PubMed clinical trials phenytoin
Search PubMed titles phenytoin
Search PubMed titles/abstracts phenytoin
UniChem Compound Search for chemical match using the InChIKey CXOFVDLJLONNDW-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey CXOFVDLJLONNDW-UHFFFAOYSA-N
Wikipedia Phenytoin