As of April 2025, Scholia is affected by the graph split of the Wikidata Query Service. Scholia will not necessary show updates or all data from Wikidata. We will work on updating Scholia in April.
Chemical substances
Examples
Single items
- aspirin
- View information about the painkiller aspirin.
- benzene
- View information about the chemical benzene.
- citric acid
- View information about the chemical citric acid.
- L-proline
- View information about the natural amino acid L-proline
- LSD
- View information about the drug LSD.
Redirecting
If you know the identifier, then Scholia can make a lookup based on the identifier:
- pubchem/14123361
- Look up PubChem CID 14123361. This will identify tetra-tert-butylmethane and redirect to its Scholia page.
- cas/50-00-0
- Look up CAS 50-00-0. This will identify formaldehyde and redirect to its Scholia page.
- inchikey/QTBSBXVTEAMEQO-UHFFFAOYSA-N
- Redirect also works for InChIKeys, here for acetic acid.
- lipidmaps/LMFA00000007
- And for LIPID MAPS identifiers
ChemCuration
There is always more information about chemicals that can be added. This section adds some useful resource for chemistry curation:
- PubChem CID violations
- This page shows CIDs linked to more than one Wikidata item (a "Unique value" violation) and Wikidata items with more than one CID ("Single value" violations).
- Curation of physicochemical properties
- This page shows lists of compounds with missing or incomplete information regarding propephysicochemical properties, like boiling points.