86396 <common-name>3-Hydroxy-1H,3H-naphtho[1,8-cd]pyran-1-one</common-name> <description>3-Hydroxy-1H,3H-naphtho[1,8-cd]pyran-1-one belongs to the naphthalenes, a class of benzenoids within the organic compounds. It has the chemical formula C12H8O3 and an average molecular weight of 200.19 g/mol.</description> <cas>5656-90-6</cas> <pubchem-id>99733</pubchem-id> <chemical-formula>C12H8O3</chemical-formula> <weight>200.19</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2026-04-04T21:32:10Z</created-at> <updated-at type="dateTime">2026-08-18T21:52:55Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id nil="true"/> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>OC1OC(=O)C2=C3C(C=CC=C13)=CC=C2</moldb-smiles> <moldb-formula>C12H8O3</moldb-formula> <moldb-inchi>InChI=1/C12H8O3/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(14)15-11/h1-6,11,13H</moldb-inchi> <moldb-inchikey>IKHBRFXMNHCNDC-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">200.193</moldb-average-mass> <moldb-mono-mass type="decimal">200.0473441</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM082289</chemdb-id> <dsstox-id>DTXSID90884179</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00046727</susdat-id> <iupac>4-hydroxy-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaen-2-one</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> <kingdom>Organic compounds</kingdom> <superklass>Benzenoids</superklass> <klass>Naphthalenes</klass> <subklass nil="true"/> <paper-count type="integer">0</paper-count> <sync-id>CED0129983</sync-id> <structure-inchikey>IKHBRFXMNHCNDC-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>20000000000000000000000000000000000000000000020000000008000100000000000000000000000000000000000000000000000000000000000000000000020800000000000000004000002000000000000010000000000000000000000000000000000000080000080000000101001000000000001800000000000000000000000000000000000000000400000000000000000000000000000080000080000000000000000000000000000100000001000000000000000000000000000200000000000000000000200000000000000000000000001000040000080000000000000000000008000000000000000</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAPAAAAEQAAAIABCABgAAAAAQEGAGAAAAAD AQgAKAAAAAMCBgAoAAAAAwQIACgAAAADAgZAKAAAAAMEBkAoAAAAAwQGQCgA AAADBAZAaAAAAAMDAQZAaAAAAAMDAQZAaAAAAAMDAQZAKAAAAAMEBkBoAAAA AwMBBkBoAAAAAwMBBkBoAAAAAwMBCwABAAECAAIDIAMEKAIDBSAFBmgMBgdo DAcIaAwICWgMCQpoDAoLaAwHDGgMDA1oDA0OaAwLAQAOBWgMCwZoDEIDAAAA BgELBgUDAgYICQoLBgcGDA0OBQYHFwQAAAAAAAAAFg== </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:30:50Z</structure-indexed-at> </compound>