--- title: PubChem-compound description: PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative. PubChem Compound archives chemical structures and records. tags: - chemistry - database - reference-database source_url: https://pubchem.ncbi.nlm.nih.gov/ --- # PubChem-compound > **Mirrored metadata.** This card is reproduced on Atlas for discovery. The artifact itself is not hosted here — follow the source link for the files, and refer to the upstream licence for terms of use. PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative. PubChem Compound archives chemical structures and records. Registry entry: `pubchem.compound` (MIR:00000034). Indexed for discovery only — the data is served by the resource itself, under its own terms of use. **Source:** https://pubchem.ncbi.nlm.nih.gov/ _This dataset is part of the Atlas demo catalogue. See the repository history for provenance._