cyclizine   Click here for help

GtoPdb Ligand ID: 7151

Synonyms: Marezine®
Approved drug
cyclizine is an approved drug (FDA (date unknown))
Compound class: Synthetic organic
Comment: Cyclizine is an antihistamine drug used primarily for its anti-nausea and antiemetic actions.
Cyclizine is on the World Health Organisation's List of Essential Medicines. Click here to access the pdf version of the WHO's 21st Essential Medicines list (2019).
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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: cyclizine

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 2
Hydrogen bond donors 0
Rotatable bonds 3
Topological polar surface area 6.48
Molecular weight 266.18
XLogP 2.99
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 CN1CCN(CC1)C(c1ccccc1)c1ccccc1
Isomeric SMILES CN1CCN(CC1)C(c1ccccc1)c1ccccc1
InChI InChI=1S/C18H22N2/c1-19-12-14-20(15-13-19)18(16-8-4-2-5-9-16)17-10-6-3-7-11-17/h2-11,18H,12-15H2,1H3
InChI Key UVKZSORBKUEBAZ-UHFFFAOYSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (date unknown))
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
1-(diphenylmethyl)-4-methylpiperazine
International Nonproprietary Names Click here for help
INN number INN
176 cyclizine
Synonyms Click here for help
Marezine®
Database Links Click here for help
Specialist databases
GPCRdb Ligand cyclizine
Other databases
CAS Registry No. 82-92-8
ChEMBL Ligand CHEMBL648
DrugBank Ligand DB01176
DrugCentral Ligand 749
GtoPdb PubChem SID 178103726
PubChem CID 6726
Search Google for chemical match using the InChIKey UVKZSORBKUEBAZ-UHFFFAOYSA-N
Search Google for chemicals with the same backbone UVKZSORBKUEBAZ
Search PubMed clinical trials cyclizine
Search PubMed titles cyclizine
Search PubMed titles/abstracts cyclizine
UniChem Compound Search for chemical match using the InChIKey UVKZSORBKUEBAZ-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey UVKZSORBKUEBAZ-UHFFFAOYSA-N
Wikipedia Cyclizine