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Chemical Entities of Biological Interest Ontology
Last uploaded:
May 1, 2026
| Acronym | CHEBI |
| Visibility | Public |
| Description | A structured classification of chemical compounds of biological relevance. |
| Status | Production |
| Format | OBO |
| Categories | |
| Groups |
| Bug database |
https://github.com/ebi-chebi/ChEBI/issues
https://github.com/ebi-chebi/ChEBI/issues
|
| Contact | Adnan Malik ([email protected]) |
| Creation date | May 1, 2026
|
| Deprecated |
false
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|
| Documentation |
http://www.ebi.ac.uk/chebi/init.do?toolBarForward=userManual
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|
| Homepage |
http://www.ebi.ac.uk/chebi
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|
| Notes |
ChEBI Release version 244
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developed by Michael Ashburner & Pankaj Jaiswal.
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ChEBI subsumes and replaces the Chemical Ontology first. This ontology was developed by Michael Ashburner and Pankaj Jaiswal. Data was cuarated by The ChEBI Curation Team. For any queries contact [email protected]
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ChEBI subsumes and replaces the Chemical Ontology first
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Author: ChEBI curation team
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For any queries contact [email protected]
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|
| Object creation date property |
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
|
| Object modification date property |
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
|
| Preferred namespace prefix |
chebi_ontology
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|
| Repository |
https://github.com/ebi-chebi/ChEBI
https://github.com/ebi-chebi/ChEBI
|
| Submission date | May 1, 2026
|
| Syntax |
http://purl.obolibrary.org/obo/oboformat/spec.html
http://purl.obolibrary.org/obo/oboformat/spec.html
|
| Version IRI |
http://purl.obolibrary.org/obo/chebi/252/chebi.owl
http://purl.obolibrary.org/obo/chebi/252/chebi.owl
|
| Version information |
252.0
See more...
|
| uri |
http://purl.obolibrary.org/obo/chebi.owl
http://purl.obolibrary.org/obo/chebi.owl
|
| Version | Released | Uploaded | Downloads |
|---|---|---|---|
| 252.0 (Parsed, Indexed, Metrics, Annotator) | 05/01/2026 | 05/01/2026 | OBO | CSV | RDF/XML | Diff |
| 251.0 (Archived) | 04/01/2026 | 04/01/2026 | OBO | Diff |
| 250.0 (Archived) | 03/13/2026 | 03/13/2026 | OBO | Diff |
| 249.0 (Archived) | 02/18/2026 | 02/18/2026 | OBO | Diff |
| 249.0 (Archived) | 02/10/2026 | 02/10/2026 | OBO | Diff |
| 248.0 (Archived) | 01/06/2026 | 01/06/2026 | OBO | Diff |
| 247.0 (Archived) | 12/03/2025 | 12/03/2025 | OBO | Diff |
| 246.0 (Archived) | 11/20/2025 | 11/20/2025 | OBO | Diff |
| 246.0 (Archived) | 10/31/2025 | 10/31/2025 | OBO | Diff |
| 245.0 (Archived) | 10/16/2025 | 10/16/2025 | OBO | Diff |
| 245.0 (Archived) | 10/15/2025 | 10/15/2025 | OBO | Diff |
| 245.0 (Archived) | 10/09/2025 | 10/09/2025 | OBO | Diff |
| 245.0 (Archived) | 10/01/2025 | 10/01/2025 | OBO | Diff |
| 241 (Archived) | 09/09/2025 | 09/09/2025 | OBO | Diff |
| 241 (Archived) | 06/02/2025 | 06/02/2025 | OBO | Diff |
| 241 (Archived) | 04/02/2025 | 04/02/2025 | OBO | Diff |
| 239 (Archived) | 01/01/2025 | 01/01/2025 | OBO | Diff |
| 238 (Archived) | 12/01/2024 | 12/01/2024 | OBO | Diff |
| 237 (Archived) | 11/05/2024 | 11/05/2024 | OBO | Diff |
| 236 (Archived) | 08/01/2024 | 08/01/2024 | OBO | Diff |
| 235 (Archived) | 07/01/2024 | 07/01/2024 | OBO | Diff |
| 234 (Archived) | 06/01/2024 | 06/01/2024 | OBO | Diff |
| 233 (Archived) | 05/01/2024 | 05/01/2024 | OBO | Diff |
| 232 (Archived) | 04/01/2024 | 04/01/2024 | OBO | Diff |
| 231 (Archived) | 03/01/2024 | 03/01/2024 | OBO | Diff |
| 230 (Archived) | 02/01/2024 | 02/01/2024 | OBO | Diff |
| 228 (Archived) | 01/05/2024 | 01/05/2024 | OBO | Diff |
| 227 (Archived) | 12/14/2023 | 12/14/2023 | OBO | Diff |
| 227 (Archived) | 11/02/2023 | 11/02/2023 | OBO | Diff |
| 226 (Archived) | 10/01/2023 | 10/01/2023 | OBO | Diff |
| 225 (Archived) | 09/01/2023 | 09/01/2023 | OBO | Diff |
| 224 (Archived) | 08/01/2023 | 08/01/2023 | OBO | Diff |
| 223 (Archived) | 07/01/2023 | 07/01/2023 | OBO | Diff |
| 222 (Archived) | 06/01/2023 | 06/01/2023 | OBO | Diff |
| 221 (Archived) | 05/01/2023 | 05/01/2023 | OBO | Diff |
| 219 (Archived) | 03/01/2023 | 03/01/2023 | OBO | Diff |
| 217 (Archived) | 02/01/2023 | 02/01/2023 | OBO | Diff |
| 217 (Archived) | 01/01/2023 | 01/01/2023 | OBO | Diff |
| 220 (Archived) | 12/01/2022 | 12/01/2022 | OBO | Diff |
| 219 (Archived) | 11/09/2022 | 11/09/2022 | OBO | Diff |
| 214 (Archived) | 10/18/2022 | 10/18/2022 | OBO | Diff |
| 213 (Archived) | 09/09/2022 | 09/09/2022 | OBO | Diff |
| 211 (Archived) | 06/10/2022 | 06/10/2022 | OBO | Diff |
| 210 (Archived) | 04/04/2022 | 04/04/2022 | OBO | Diff |
| 209 (Archived) | 03/10/2022 | 03/10/2022 | OBO | Diff |
| 208 (Archived) | 02/01/2022 | 02/01/2022 | OBO | Diff |
| 207 (Archived) | 01/01/2022 | 01/01/2022 | OBO | Diff |
| 206 (Archived) | 12/01/2021 | 12/01/2021 | OBO | Diff |
| 205 (Archived) | 11/03/2021 | 11/03/2021 | OBO | Diff |
| 203 (Archived) | 10/15/2021 | 10/15/2021 | OBO | Diff |
| 203 (Archived) | 09/02/2021 | 09/02/2021 | OBO | Diff |
| 202 (Archived) | 08/01/2021 | 08/01/2021 | OBO | Diff |
| 201 (Archived) | 07/01/2021 | 07/01/2021 | OBO | Diff |
| 200 (Archived) | 06/01/2021 | 06/01/2021 | OBO | Diff |
| 199 (Archived) | 05/01/2021 | 05/01/2021 | OBO | Diff |
| 198 (Archived) | 04/01/2021 | 04/01/2021 | OBO | Diff |
| 197 (Archived) | 03/01/2021 | 03/01/2021 | OBO | Diff |
| 196 (Archived) | 02/01/2021 | 02/01/2021 | OBO | Diff |
| 195 (Archived) | 01/01/2021 | 01/01/2021 | OBO | Diff |
| 194 (Archived) | 12/01/2020 | 12/01/2020 | OBO | Diff |
| 193 (Archived) | 11/01/2020 | 11/01/2020 | OBO | Diff |
| 192 (Archived) | 10/01/2020 | 10/01/2020 | OBO | Diff |
| 191 (Archived) | 09/01/2020 | 09/01/2020 | OBO | Diff |
| 190 (Archived) | 07/31/2020 | 07/31/2020 | OBO | Diff |
| 189 (Archived) | 06/30/2020 | 06/30/2020 | OBO | Diff |
| 188 (Archived) | 06/01/2020 | 06/01/2020 | OBO | Diff |
| 187 (Archived) | 04/30/2020 | 04/30/2020 | OBO | Diff |
| 186 (Archived) | 03/31/2020 | 03/31/2020 | OBO | Diff |
| 185 (Archived) | 02/29/2020 | 02/29/2020 | OBO | Diff |
| 184 (Archived) | 01/31/2020 | 01/31/2020 | OBO | Diff |
| 183 (Archived) | 12/31/2019 | 12/31/2019 | OBO | Diff |
| 182 (Archived) | 11/30/2019 | 11/30/2019 | OBO | Diff |
| 181 (Archived) | 10/31/2019 | 10/31/2019 | OBO | Diff |
| 180 (Archived) | 10/01/2019 | 10/01/2019 | OBO | Diff |
| 179 (Archived) | 08/31/2019 | 08/31/2019 | OBO | Diff |
| 178 (Archived) | 07/31/2019 | 07/31/2019 | OBO | Diff |
| 177 (Archived) | 06/30/2019 | 06/30/2019 | OBO | Diff |
| 176 (Archived) | 05/31/2019 | 05/31/2019 | OBO | Diff |
| 175 (Archived) | 05/04/2019 | 05/04/2019 | OBO | Diff |
| 174 (Archived) | 04/10/2019 | 04/10/2019 | OBO | Diff |
| 173 (Archived) | 03/01/2019 | 03/01/2019 | OBO | Diff |
| 172 (Archived) | 02/04/2019 | 02/04/2019 | OBO | Diff |
| 171 (Archived) | 01/03/2019 | 01/03/2019 | OBO | Diff |
| 170 (Archived) | 12/01/2018 | 12/01/2018 | OBO | Diff |
| 169 (Archived) | 11/01/2018 | 11/01/2018 | OBO | Diff |
| 168 (Archived) | 10/01/2018 | 10/01/2018 | OBO | Diff |
| 167 (Archived) | 09/01/2018 | 09/01/2018 | OBO | Diff |
| 166 (Archived) | 08/01/2018 | 08/01/2018 | OBO | Diff |
| 165 (Archived) | 07/02/2018 | 07/02/2018 | OBO | Diff |
| 164 (Archived) | 06/01/2018 | 06/01/2018 | OBO | Diff |
| 163 (Archived) | 05/01/2018 | 05/01/2018 | OBO | Diff |
| 162 (Archived) | 04/01/2018 | 04/01/2018 | OBO | Diff |
| 161 (Archived) | 03/01/2018 | 03/01/2018 | OBO | Diff |
| 160 (Archived) | 02/01/2018 | 02/01/2018 | OBO | Diff |
| 159 (Archived) | 01/01/2018 | 01/01/2018 | OBO | Diff |
| 158 (Archived) | 12/01/2017 | 12/01/2017 | OBO | Diff |
| 157 (Archived) | 11/01/2017 | 11/01/2017 | OBO | Diff |
| 156 (Archived) | 10/01/2017 | 10/01/2017 | OBO | Diff |
| 155 (Archived) | 09/01/2017 | 09/01/2017 | OBO | Diff |
| 154 (Archived) | 08/01/2017 | 08/01/2017 | OBO | Diff |
| 153 (Archived) | 07/01/2017 | 07/01/2017 | OBO | Diff |
| 152 (Archived) | 06/02/2017 | 06/02/2017 | OBO | Diff |
| 151 (Archived) | 06/01/2017 | 06/01/2017 | OBO | Diff |
| 151 (Archived) | 05/02/2017 | 05/02/2017 | OBO | Diff |
| 150 (Archived) | 04/01/2017 | 04/01/2017 | OBO | Diff |
| 149 (Archived) | 03/17/2017 | 03/17/2017 | OBO | Diff |
| 149 (Archived) | 03/01/2017 | 03/01/2017 | OBO | Diff |
| 148 (Archived) | 02/01/2017 | 02/01/2017 | OBO | Diff |
| 147 (Archived) | 01/01/2017 | 01/01/2017 | OBO | Diff |
| 146 (Archived) | 12/01/2016 | 12/01/2016 | OBO | Diff |
| 145 (Archived) | 11/01/2016 | 11/01/2016 | OBO | Diff |
| 144 (Archived) | 10/03/2016 | 10/03/2016 | OBO | Diff |
| 143 (Archived) | 09/13/2016 | 09/13/2016 | OBO | Diff |
| 142 (Archived) | 08/09/2016 | 08/09/2016 | OBO | Diff |
| 142 (Archived) | 08/01/2016 | 08/01/2016 | OBO | Diff |
| 139 (Archived) | 07/01/2016 | 07/01/2016 | OBO | Diff |
| 139 (Archived) | 06/01/2016 | 06/01/2016 | OBO | Diff |
| 139 (Archived) | 05/01/2016 | 05/01/2016 | OBO | Diff |
| 138 (Archived) | 04/01/2016 | 04/01/2016 | OBO | Diff |
| 137 (Archived) | 03/02/2016 | 03/02/2016 | OBO | Diff |
| 136 (Archived) | 02/10/2016 | 02/10/2016 | OBO | Diff |
| 125 (Archived) | 08/19/2015 | 07/01/2015 | OBO | Diff |
| 125 (Archived) | 06/24/2015 | 06/24/2015 | OBO | Diff |
| 125 (Archived) | 06/01/2015 | 06/01/2015 | OBO | Diff |
| 125 (Archived) | 05/01/2015 | 05/01/2015 | OBO | Diff |
| 125 (Archived) | 04/01/2015 | 04/01/2015 | OBO | Diff |
| 125 (Archived) | 03/02/2015 | 03/02/2015 | OBO | Diff |
| 124 (Archived) | 02/02/2015 | 02/02/2015 | OBO | Diff |
| 123 (Archived) | 01/27/2015 | 01/27/2015 | OBO | Diff |
| 122 (Archived) | 01/15/2015 | 01/15/2015 | OBO | Diff |
| 122 (Archived) | 12/01/2014 | 12/01/2014 | OBO | Diff |
| 121 (Archived) | 11/05/2014 | 11/05/2014 | OBO | Diff |
| 120 (Archived) | 10/06/2014 | 10/06/2014 | OBO | Diff |
| 119 (Archived) | 09/01/2014 | 09/01/2014 | OBO | Diff |
| 118 (Archived) | 08/04/2014 | 08/04/2014 | OBO | Diff |
| 117 (Archived) | 07/07/2014 | 07/07/2014 | OBO | Diff |
| 116 (Archived) | 06/03/2014 | 06/03/2014 | OBO | Diff |
| 115 (Archived) | 05/30/2014 | 05/30/2014 | OBO | Diff |
| 115 (Archived) | 02/03/2014 | 05/29/2014 | OBO | Diff |
| 112 (Archived) | 02/03/2014 | 02/03/2014 | OBO | Diff |
| 111 (Archived) | 01/13/2014 | 01/13/2014 | OBO | Diff |
| 107 (Archived) | 11/05/2013 | 11/05/2013 | OBO | Diff |
| 107 (Archived) | 10/07/2013 | 10/07/2013 | OBO | Diff |
| 107 (Archived) | 09/02/2013 | 09/02/2013 | OBO | Diff |
| 106 (Archived) | 08/05/2013 | 08/05/2013 | OBO | Diff |
| 105 (Archived) | 07/04/2013 | 07/04/2013 | OBO |
| 104 (Archived) | 06/11/2013 | 06/11/2013 | OBO |
| 103 (Archived) | 06/07/2013 | 06/07/2013 | OBO |
| 104 (Archived) | 06/03/2013 | 06/03/2013 | OBO |
| 103 (Archived) | 05/07/2013 | 05/07/2013 | OBO |
| 102 (Archived) | 04/02/2013 | 04/02/2013 | OBO |
| 101 (Archived) | 03/04/2013 | 03/04/2013 | OBO |
| 100 (Archived) | 02/05/2013 | 02/05/2013 | OBO |
| 99 (Archived) | 01/09/2013 | 01/09/2013 | OBO |
| 98 (Archived) | 12/07/2012 | 12/07/2012 | OBO |
| 97 (Archived) | 11/06/2012 | 11/06/2012 | OBO |
| 96 (Archived) | 10/02/2012 | 10/02/2012 | OBO |
| 95 (Archived) | 09/04/2012 | 09/04/2012 | OBO |
| 94 (Archived) | 08/13/2012 | 08/13/2012 | OBO |
| 93 (Archived) | 07/03/2012 | 07/03/2012 | OBO |
| 92 (Archived) | 06/02/2012 | 06/02/2012 | OBO |
| 91 (Archived) | 05/10/2012 | 05/10/2012 | OBO |
| 90 (Archived) | 04/03/2012 | 04/03/2012 | OBO |
| 89 (Archived) | 03/07/2012 | 03/07/2012 | OBO |
| 88 (Archived) | 02/24/2012 | 02/24/2012 | OBO |
| 88 (Archived) | 02/07/2012 | 02/07/2012 | OBO |
| 87 (Archived) | 01/10/2012 | 01/10/2012 | OBO |
| 86 (Archived) | 12/23/2011 | 12/23/2011 | OBO |
| 86 (Archived) | 12/06/2011 | 12/06/2011 | OBO |
| 79 (Archived) | 11/22/2011 | 11/22/2011 | OBO |
| 84 (Archived) | 10/04/2011 | 10/04/2011 | OBO |
| 83 (Archived) | 09/06/2011 | 09/06/2011 | OBO |
| 82 (Archived) | 08/02/2011 | 08/02/2011 | OBO |
| 81 (Archived) | 07/05/2011 | 07/05/2011 | OBO |
| 80 (Archived) | 06/09/2011 | 06/09/2011 | OBO |
| 79 (Archived) | 05/12/2011 | 06/06/2011 | OBO |
| 79 (Archived) | 05/14/2011 | 05/14/2011 | OBO |
| 79 (Archived) | 05/11/2011 | 05/11/2011 | OBO |
| unknown (Archived) | 04/07/2011 | 04/07/2011 | OBO |
| unknown (Archived) | 03/25/2011 | 03/25/2011 | OBO |
| unknown (Archived) | 02/15/2011 | 02/15/2011 | OBO |
| 1.74 (Archived) | 12/17/2010 | 12/17/2010 | OBO |
| unknown (Archived) | 12/16/2010 | 12/16/2010 | OBO |
| 1.74 (Archived) | 12/07/2010 | 12/07/2010 | OBO |
| 1.73 (Archived) | 11/18/2010 | 11/02/2010 | OBO |
| 1.72 (Archived) | 10/07/2010 | 10/07/2010 | OBO |
| 1.71 (Archived) | 09/07/2010 | 09/07/2010 | OBO |
| 1.70 (Archived) | 08/26/2010 | 08/26/2010 | OBO |
| unknown (Archived) | 08/25/2010 | 08/25/2010 | OBO |
| 1.70 (Archived) | 08/03/2010 | 08/03/2010 | OBO |
| 1.69 (Archived) | 07/07/2010 | 07/07/2010 | OBO |
| 1.68 (Archived) | 06/03/2010 | 06/03/2010 | OBO |
| 1.67 (Archived) | 05/14/2010 | 05/14/2010 | OBO |
| 1.66 (Archived) | 05/07/2010 | 05/07/2010 | OBO |
| 1.65 (Archived) | 04/08/2010 | 04/08/2010 | OBO |
| 1.64 (Archived) | 03/04/2010 | 03/04/2010 | OBO |
| 1.63 (Archived) | 02/16/2010 | 02/04/2010 | OBO |
| 1.62 (Archived) | 01/07/2010 | 01/07/2010 | OBO |
| 1.61 (Archived) | 12/09/2009 | 12/09/2009 | OBO |
| 1.60 (Archived) | 12/05/2009 | 12/05/2009 | OBO |
| 1.59 (Archived) | 11/05/2009 | 11/05/2009 | OBO |
| 1.58 (Archived) | 10/12/2009 | 10/12/2009 | OBO |
| 1.57 (Archived) | 08/29/2009 | 08/29/2009 | OBO |
| 1.56 (Archived) | 07/30/2009 | 07/30/2009 | OBO |
| 1.55 (Archived) | 06/25/2009 | 06/25/2009 | OBO |
| 1.54 (Archived) | 05/28/2009 | 05/28/2009 | OBO |
| 1.53 (Archived) | 04/30/2009 | 04/30/2009 | OBO |
| 1.52 (Archived) | 03/26/2009 | 03/26/2009 | OBO |
| 1.50 (Archived) | 02/26/2009 | 02/26/2009 | OBO |
| 1.49 (Archived) | 01/29/2009 | 01/29/2009 | OBO |
| 1.48 (Archived) | 12/18/2008 | 12/18/2008 | OBO |
| 1.47 (Archived) | 11/27/2008 | 11/27/2008 | OBO |
| 1.46 (Archived) | 10/30/2008 | 10/30/2008 | OBO |
| 1.44 (Archived) | 09/04/2008 | 09/04/2008 | OBO |
| 1.43 (Archived) | 08/01/2008 | 08/01/2008 | OBO |
| 1.42 (Archived) | 07/30/2008 | 07/30/2008 | OBO |
| more... | |||
- ChemEssence
- An EXPERIMENTAL subset/rewiring of CHEBI to reduce it to the essential terms, in particular collapsing protonation cliques
| Classes | 224,979 |
| Individuals | 0 |
| Properties | 9 |
| Maximum depth | 23 |
| Maximum number of children | 8,078 |
| Average number of children | 21 |
| Classes with a single child | 3,910 |
| Classes with more than 25 children | 1,305 |
| Classes with no definition | 169,784 |