89185 <common-name>5-Hydroxy-2-methylpyridine 1-oxide</common-name> <description>5-Hydroxy-2-methylpyridine 1-oxide belongs to the methylpyridines, a subclass of pyridines and derivatives within the organic compounds. This organoheterocyclic compound has the formula C6H8NO2 and an average molecular weight of 125.13 g/mol.</description> <cas>24207-00-9</cas> <pubchem-id>90406</pubchem-id> <chemical-formula>C6H8NO2</chemical-formula> <weight>125.13</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">2026-04-04T23:33:13Z</created-at> <updated-at type="dateTime">2026-08-23T14:19:47Z</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>CC1=N(=O)C=C(O)C=C1</moldb-smiles> <moldb-formula>C6H8NO2</moldb-formula> <moldb-inchi>InChI=1/C6H7NO2/c1-5-2-3-6(8)4-7(5)9/h2-4,8H,1H3</moldb-inchi> <moldb-inchikey>RFESWJXQFMZDBQ-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">125.127</moldb-average-mass> <moldb-mono-mass type="decimal">126.0555035</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>-0.1</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>CHEM085078</chemdb-id> <dsstox-id>DTXSID80947020</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00050035</susdat-id> <iupac>6-methyl-1-oxidopyridin-1-ium-3-ol</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>Organoheterocyclic compounds</superklass> <klass>Pyridines and derivatives</klass> <subklass>Methylpyridines</subklass> <paper-count type="integer">0</paper-count> <sync-id>CED0117298</sync-id> <structure-inchikey>RFESWJXQFMZDBQ-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>100000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000001000000000000000000080000000004000000000000000000000000000000001000000040000000000000010000000000000000000000000000000000000400000000000000000000000040000000000004000000004000000000000000000000000000000000000000006000000000000000080000000000000000000000000000000000000000000000000000002000000000000000000000000000042000000200000000000000000000000000000040000000000000000000000000000000000000000000</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAJAAAACQAAAIABBgBgAAAAAQMGQCgAAAAD BAdAKgAAAAEDBAgAKgAAAP8DAQZAaAAAAAMDAQZAKAAAAAMECABoAAAAAwEB BkBoAAAAAwMBBkBoAAAAAwMBCwABAAECaAwCAyACBGgMBAVoDAUGIAUHaAwH CGgMCAFoDEIBAAAABgEIBwUEAhcEAAAAAAAAABY= </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:32:33Z</structure-indexed-at> </compound>