dextromethorphan   Click here for help

GtoPdb Ligand ID: 6953

Synonyms: d-methorphan
Approved drug
dextromethorphan is an approved drug (FDA (no history prior to 1982))
Compound class: Synthetic organic
Comment: Dextromethorphan is a morphinan class sedative. It is available over-the-counter (OTC) for use as an antitussive. At doses much higher than medically recommended, dextromethorphan is used recreationally for its dissociative anesthetic and euphoria producing effects.
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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: dextromethorphan

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 1
Hydrogen bond donors 0
Rotatable bonds 1
Topological polar surface area 12.47
Molecular weight 271.19
XLogP 3.61
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 COc1ccc2c(c1)C13CCCCC3C(C2)N(CC1)C
Isomeric SMILES COc1ccc2c(c1)[C@@]13CCCC[C@@H]3[C@H](C2)N(CC1)C
InChI InChI=1S/C18H25NO/c1-19-10-9-18-8-4-3-5-15(18)17(19)11-13-6-7-14(20-2)12-16(13)18/h6-7,12,15,17H,3-5,8-11H2,1-2H3/t15-,17+,18+/m1/s1
InChI Key MKXZASYAUGDDCJ-NJAFHUGGSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (no history prior to 1982))
International Nonproprietary Names Click here for help
INN number INN
166 dextromethorphan
Synonyms Click here for help
d-methorphan
Database Links Click here for help
Specialist databases
GPCRdb Ligand dextromethorphan
Reactome Drug Reactome logo R-ALL-9679830, R-ALL-39703
Reactome Reaction Reactome logo R-HSA-76456, R-HSA-9679816
Other databases
CAS Registry No. 125-71-3
ChEMBL Ligand CHEMBL52440
DrugBank Ligand DB00514
DrugCentral Ligand 842
GtoPdb PubChem SID 178103535
PubChem CID 5360696
Search Google for chemical match using the InChIKey MKXZASYAUGDDCJ-NJAFHUGGSA-N
Search Google for chemicals with the same backbone MKXZASYAUGDDCJ
Search PubMed clinical trials dextromethorphan
Search PubMed titles dextromethorphan
Search PubMed titles/abstracts dextromethorphan
UniChem Compound Search for chemical match using the InChIKey MKXZASYAUGDDCJ-NJAFHUGGSA-N
UniChem Connectivity Search for chemical match using the InChIKey MKXZASYAUGDDCJ-NJAFHUGGSA-N
Wikipedia Dextromethorphan