{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"molecule","urn":"smellbook:molecule:4-oxopentanal","key":"4-oxopentanal","label":"4-oxopentanal","description":"4-oxopentanal: a molecule named in SmellBook's VERIFIED evidence for smells in the Atlas.","pubchemCid":164702,"inchikey":"KEHNRUNQZGRQHU-UHFFFAOYSA-N","formula":"C5H8O2","wikidata":"Q26841304","chebi":"87363","canonicalUrl":"https://smellbook.com/molecules/4-oxopentanal","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"reported-in","label":"reported in","entity":"smellbook:smell:airplane-cabin","entityLabel":"Airplane Cabin","record":"/data/graph/smell/airplane-cabin.json","provenance":[{"basis":"claim-named-molecule","field":"verifiedClaims[CLM-CABIN-001].text","claim":"smellbook:claim:ozone-and-passengers-in-aircraft-cabin-air","role":"reported-volatile","evidenceClass":"scientific"}]}],"incoming":[],"corrections":[],"citation":"SmellBook. (2026). 4-oxopentanal (molecule). SmellBook knowledge graph, dataset release of 2026-10-05. smellbook:molecule:4-oxopentanal. https://smellbook.com/molecules/4-oxopentanal","boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}