pyroglutamic acid   Click here for help

GtoPdb Ligand ID: 4703

Synonyms: pidolic acid | pyroglutamate
Compound class: Metabolite

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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 Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). 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 1
Topological polar surface area 66.4
Molecular weight 129.04
XLogP -0.83
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
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.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES O=C1CCC(N1)C(=O)O
Isomeric SMILES O=C1CCC(N1)C(=O)O
InChI InChI=1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)
InChI Key ODHCTXKNWHHXJC-UHFFFAOYSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
Classification Click here for help
Compound class Metabolite
IUPAC Name Click here for help
5-oxopyrrolidine-2-carboxylic acid
International Nonproprietary Names Click here for help
INN number INN
4079 pidolic acid
Synonyms Click here for help
pidolic acid | pyroglutamate
Database Links Click here for help
CAS Registry No. 149-87-1 (source: Scifinder)
ChEMBL Ligand CHEMBL284718
GtoPdb PubChem SID 178101415
PubChem CID 499
Search Google for chemical match using the InChIKey ODHCTXKNWHHXJC-UHFFFAOYSA-N
Search Google for chemicals with the same backbone ODHCTXKNWHHXJC
Search PubMed clinical trials pidolic acid
Search PubMed titles pidolic acid
Search PubMed titles/abstracts pidolic acid
UniChem Compound Search for chemical match using the InChIKey ODHCTXKNWHHXJC-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey ODHCTXKNWHHXJC-UHFFFAOYSA-N
Wikipedia Pyroglutamic_acid

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MedChemExpress
DL-Pyroglutamic acid (links to external site)
Cat. No. HY-W012738