Chemical Entities of Biological Interest

A freely available dictionary of molecular entities focused on ‘small’ chemical compounds. The term ‘molecular entity’ refers to any constitutionally or isotopically distinct atom, molecule, ion, ion pair, radical, radical ion, complex, conformer, etc., identifiable as a separately distinguishable entity. The molecular entities in question are either products of nature or synthetic products used to intervene in the processes of living organisms.

Ontology information

Ontology ID: chebi
Number of terms: 178349
Last loaded: Thu Jun 02 21:01:48 GMT 2022
Creator: ChEBI curation team


25:03:2022 01:58






Author: ChEBI curation team

developed by Michael Ashburner & Pankaj Jaiswal.

ChEBI Release version 210

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ChEBI subsumes and replaces the Chemical Ontology first