Frontmatter
| Attribute | Value |
|---|---|
| ”@context” | https://schema.org |
| url | https://schema.org/ChemicalSubstance |
| ”@id” | schema:ChemicalSubstance |
| ”@type” | rdfs:Class |
| rdfs:comment | ”A chemical substance is ‘a portion of matter of constant composition, composed of molecular entities of the same type or of different types’ (source: [ChEBI:59999](https://www.ebi.ac.uk/chebi/searchId.do?chebiId=59999)).“ |
| rdfs:label | ChemicalSubstance |
| rdfs:subClassOf | |
| ”schema.BioChemEntity” | |
| dateCreated | 2026-01-01 20:22:57.644811+00:00 |
| dateModified | 2026-01-01 20:22:57.644811+00:00 |