Chemical Entities of Biological Interest (ChEBI) is a freely available dictionary of molecular entities focused on ‘small’ chemical compounds.


Search for only     All in ChEBI    

Example: iron*, InChI=1S/H2O/h1H2, water

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Documentation

User Manual Learn more about the data fields in the ChEBI and data sources for ChEBI. If you are unable to access the online Google document, please use the FTP link to view our manuals.

Train Online Tutorial An online quick tour (0.5 h) and a more detailed tour (1 h) covering much of the material in the User Manual can be found on the EBI Train Online site here.

Statistics Graphs showing the growth of ChEBI, the numbers of curated, submitted and unchecked entries, the numbers of links to other resources and the sources of the information present in ChEBI

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Downloads

SDF files ChEBI provides its chemical structures and additional data in structure-data file (SDF) format.

Ontology files ChEBI ontology is provided in the W3C standard Web Ontology Language (OWL) and OBO formats.

Database files ChEBI is stored in a relational database and we currently provide the ChEBI tables in flat-file tab delimited format, as an Oracle binary dumps and a generic SQL dumps for MySQL and PostgreSQL database.

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News

Entity of the month

1st February 2018
Triclosan


Malaria is known to cause around half a million deaths per year, predominantly in Africa and south-east Asia where mosquitos are in abundance. Approximately 90% of these deaths are caused by Plasmodium falciparum, the parasite responsible for the most severe forms of the disease. While a number of medicines are used to treat the disease, malaria parasites are becoming increasingly resistant to these drugs raising the risk that some strains may eventually become untreatable.

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