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

Tutorial An introduction to the ChEBI database and ontology, showing users how to search and browse the web/programmatic interface.

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

User Manual Learn more about the data fields in the ChEBI and data sources for 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


Archived News...

Entity of the month

1st December 2016
Aspartame


Aspartame (CHEBI:2877) is a common sugar substitute used as a sweetener in many prepared foods and beverages, particularly diet drinks. It is a common choice for those trying to lose weight, as it contains reduced calories and decreases the incidence of metabolic syndrome (the generic term for a group of symptoms associated with type 2 diabetes and cardiovascular disease).

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