# ChemEssence (CHEMESSENCE)

> An EXPERIMENTAL subset/rewiring of CHEBI to reduce it to the essential terms, in particular...

- Page: https://library.schematica.io/model/6d6f6421764749bb9e305e043b3a3d2a
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/CHEMESSENCE
- Contact: Chris Mungall (cjmungall@lbl.gov)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | CHEMESSENCE |
| Description | An EXPERIMENTAL subset/rewiring of CHEBI to reduce it to the essential terms, in particular collapsing protonation cliques |
| Format | OWL |
| Categories | Chemical |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 201,556 |
| Individuals | 0 |
| Properties | 5 |
| Max Depth | 23 |
| Max Child Count | 7,536 |
| Average Child Count | 22 |
| Classes With One Child | 3,484 |
| Classes With More Than 25 Children | 1,199 |
| Classes With No Definition | 172,284 |

## Projects using CHEMESSENCE

No projects using CHEMESSENCE

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Source: https://library.schematica.io/model/6d6f6421764749bb9e305e043b3a3d2a