6734 <common-name>5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE</common-name> <description>5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE is an organic compound with the chemical formula C7H10O3 and an average molecular weight of 142.15 g/mol. 5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE belongs to the furanones, a subclass of dihydrofurans within the organic compounds. This organoheterocyclic compound is utilized industrially as a fragrance, as well as a nutrient and flavouring agent. The substance is identified in eight recorded sources. Within the category of food, food processing, and cookware, it is found in the preparation of wine or sparkling wine. It is also released from various household cleaning and consumer products, including bleaching agents, cigar cigarettes, pipe accessories, other smoking requisites, and non electric simulated smoking devices, among two additional sources in that category.</description> <cas>698-10-2</cas> <pubchem-id>61199</pubchem-id> <chemical-formula>C7H10O3</chemical-formula> <weight>142.15</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">2016-05-19T02:04:36Z</created-at> <updated-at type="dateTime">2026-08-23T17:29:22Z</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>CCC1OC(=O)C(O)=C1C</moldb-smiles> <moldb-formula>C7H10O3</moldb-formula> <moldb-inchi>InChI=1S/C7H10O3/c1-3-5-4(2)6(8)7(9)10-5/h5,8H,3H2,1-2H3</moldb-inchi> <moldb-inchikey>IUFQZPBIRYFPFD-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">142.1525</moldb-average-mass> <moldb-mono-mass type="decimal">142.062994186</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>0.9</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>55143</chemspider-id> <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>CHEM005629</chemdb-id> <dsstox-id>DTXSID2052441</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00012413</susdat-id> <iupac>2-ethyl-4-hydroxy-3-methyl-2H-furan-5-one</iupac> <moldb-polar-surface-area>46.53</moldb-polar-surface-area> <moldb-refractivity>36.4396</moldb-refractivity> <moldb-polarizability>14.34673139602078</moldb-polarizability> <moldb-rotatable-bond-count>1</moldb-rotatable-bond-count> <moldb-acceptor-count>2</moldb-acceptor-count> <moldb-donor-count>1</moldb-donor-count> <moldb-pka-strongest-acidic>9.379187649475758</moldb-pka-strongest-acidic> <moldb-pka-strongest-basic>-3.0069430961725505</moldb-pka-strongest-basic> <moldb-physiological-charge>0</moldb-physiological-charge> <moldb-number-of-rings>1</moldb-number-of-rings> <moldb-alogps-logp>0.54</moldb-alogps-logp> <moldb-alogps-logs>-0.18</moldb-alogps-logs> <moldb-alogps-solubility>9.37e+01 g/l</moldb-alogps-solubility> <kingdom>Organic compounds</kingdom> <superklass>Organoheterocyclic compounds</superklass> <klass>Dihydrofurans</klass> <subklass>Furanones</subklass> <paper-count type="integer">10</paper-count> <sync-id>CED0024061</sync-id> <structure-inchikey>IUFQZPBIRYFPFD-UHFFFAOYSA-N</structure-inchikey> 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