stearic acid   Click here for help

GtoPdb Ligand ID: 3377

Synonyms: C18:0
PDB Ligand
Compound class: Metabolite
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 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 1
Rotatable bonds 16
Topological polar surface area 37.3
Molecular weight 284.27
XLogP 8.71
No. Lipinski's rules broken 2
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 CCCCCCCCCCCCCCCCCC(=O)O
Isomeric SMILES CCCCCCCCCCCCCCCCCC(=O)O
InChI InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
InChI Key QIQXTHQIDYTFRH-UHFFFAOYSA-N
Classification Click here for help
Compound class Metabolite
IUPAC Name Click here for help
octadecanoic acid
Synonyms Click here for help
C18:0
Database Links Click here for help
CAS Registry No. 57-11-4 (source: Scifinder)
ChEBI CHEBI:28842
ChEMBL Ligand CHEMBL46403
DrugBank Ligand DB03193
DrugCentral Ligand 4611
GtoPdb PubChem SID 178100396
LIPID MAPS LMFA01010018
PubChem CID 5281
RCSB PDB Ligand STE
Search Google for chemical match using the InChIKey QIQXTHQIDYTFRH-UHFFFAOYSA-N
Search Google for chemicals with the same backbone QIQXTHQIDYTFRH
UniChem Compound Search for chemical match using the InChIKey QIQXTHQIDYTFRH-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey QIQXTHQIDYTFRH-UHFFFAOYSA-N
Wikipedia Stearic_acid