# Chemical Entities of Biological Interest Ontology (CHEBI)

> A structured classification of chemical compounds of biological relevance.

- Page: https://library.schematica.io/model/8ca0bd6a1d59416a8dbd12d3bf34af4c
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OBO
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/CHEBI
- Contact: Adnan Malik (amalik@ebi.ac.uk)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | CHEBI |
| Description | A structured classification of chemical compounds of biological relevance. |
| Format | OBO |
| Categories | Chemical |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 222,172 |
| Individuals | 0 |
| Properties | 10 |
| Max Depth | 23 |
| Max Child Count | 8,077 |
| Average Child Count | 21 |
| Classes With One Child | 3,887 |
| Classes With More Than 25 Children | 1,296 |
| Classes With No Definition | 166,888 |

## Projects using CHEBI

- [ISA software suite](https://bioportal.bioontology.org/projects/ISS)
- [Epidemic Marketplace](https://bioportal.bioontology.org/projects/Epiwork)
- [SemGen](https://bioportal.bioontology.org/projects/SemGen)
- [eTOX](https://bioportal.bioontology.org/projects/eTOX)
- [MeRy-B](https://bioportal.bioontology.org/projects/MeRy-B)
- [Cellosaurus](https://bioportal.bioontology.org/projects/Cellosaurus)
- [PubChem](https://bioportal.bioontology.org/projects/PubChem)
- [Beta Cell Genomics database](https://bioportal.bioontology.org/projects/BCGD)
- [Electrophysiology Ontology](https://bioportal.bioontology.org/projects/EO)
- [Virtual Imaging Platform project](https://bioportal.bioontology.org/projects/VIPP)
- [eNanoMapper](https://bioportal.bioontology.org/projects/eNanoMapper)
- [Open PHACTS](https://bioportal.bioontology.org/projects/Open_PHACTS)
- [Children's Health Exposure Analysis Resource](https://bioportal.bioontology.org/projects/CHEAR)
- [MASYMOS](https://bioportal.bioontology.org/projects/MASYMOS)
- [Neuroscience Information Framework](https://bioportal.bioontology.org/projects/NIF)
- [An Ontology for Drug Discovery Investigations](https://bioportal.bioontology.org/projects/AOFDDI)
- [The MACiE Database, a database of enzyme reaction mechanisms](https://bioportal.bioontology.org/projects/MACiE)
- [The Structure Function Linkage Database](https://bioportal.bioontology.org/projects/SFLD)

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Source: https://library.schematica.io/model/8ca0bd6a1d59416a8dbd12d3bf34af4c