Chemical concept classification context
Strategy teams use this context to normalize indications, rare diseases, synonyms, and cross-ontology disease families.
MeSH supplementary chemical records for substances not in the main descriptor file. Drug and chemical classification extension.
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Overview
Strategy teams use this context to normalize indications, rare diseases, synonyms, and cross-ontology disease families.
MeSH supplementary chemical records for substances not in the main descriptor file. Drug and chemical classification extension.
Navigate disease hierarchy, synonym expansion, ontology crosswalks, and gene-disease evidence without manual mapping.
Normalize disease concepts across MeSH, MONDO, DOID, Orphanet, ICD, OMIM, and trial condition text.
Support indication expansion, rare disease strategy, target validation, and literature search use cases.
Join disease concepts to trials, grants, publications, targets, and regulatory indications.
Source authority
National Library of Medicine — MeSH Supplementary Concept Records
Freshness
Last refreshed 2026-07-01
Annual
Coverage
900K+ chemicals
2 delivery tables