tamsulosin   Click here for help

GtoPdb Ligand ID: 488

Synonyms: (-)-YM617 | Flomax® | LY-253351 | Omnic® | tamsulosin hydrochloride
Approved drug PDB Ligand
tamsulosin is an approved drug (FDA (1997))
Compound class: Synthetic organic
Comment: Tamsulosin is a selective α1A-adrenoceptor antagonist 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

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View more information in the IUPHAR Pharmacology Education Project: tamsulosin

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 11
Topological polar surface area 108.26
Molecular weight 408.17
XLogP 2.32
No. Lipinski's rules broken 1
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 CCOc1ccccc1OCCNC(Cc1ccc(c(c1)S(=O)(=O)N)OC)C
Isomeric SMILES CCOc1ccccc1OCCN[C@@H](Cc1ccc(c(c1)S(=O)(=O)N)OC)C
InChI InChI=1S/C20H28N2O5S/c1-4-26-17-7-5-6-8-18(17)27-12-11-22-15(2)13-16-9-10-19(25-3)20(14-16)28(21,23)24/h5-10,14-15,22H,4,11-13H2,1-3H3,(H2,21,23,24)/t15-/m1/s1
InChI Key DRHKJLXJIQTDTD-OAHLLOKOSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (1997))
IUPAC Name Click here for help
5-[(2R)-2-[2-(2-ethoxyphenoxy)ethylamino]propyl]-2-methoxybenzenesulfonamide
International Nonproprietary Names Click here for help
INN number INN
6750 tamsulosin
Synonyms Click here for help
(-)-YM617 | Flomax® | LY-253351 | Omnic® | tamsulosin hydrochloride
Database Links Click here for help
Specialist databases
GPCRdb Ligand tamsulosin
Other databases
BindingDB Ligand 50060964
CAS Registry No. 106133-20-4
ChEBI CHEBI:9398
ChEMBL Ligand CHEMBL836
DrugBank Ligand DB00706
DrugCentral Ligand 2562
GtoPdb PubChem SID 135651350
PubChem CID 129211
RCSB PDB Ligand JGX
Search Google for chemical match using the InChIKey DRHKJLXJIQTDTD-OAHLLOKOSA-N
Search Google for chemicals with the same backbone DRHKJLXJIQTDTD
Search PubMed clinical trials tamsulosin
Search PubMed titles tamsulosin
Search PubMed titles/abstracts tamsulosin
UniChem Compound Search for chemical match using the InChIKey DRHKJLXJIQTDTD-OAHLLOKOSA-N
UniChem Connectivity Search for chemical match using the InChIKey DRHKJLXJIQTDTD-OAHLLOKOSA-N
Wikipedia Tamsulosin