207371 <common-name>3-(4-methoxyphenyl)-7-(3-methylbut-2-enoxy)chromen-4-one</common-name> <description>3-(4-methoxyphenyl)-7-(3-methylbut-2-enoxy)chromen-4-one belongs to the o-methylated isoflavonoids, a subclass of isoflavonoids within the organic compounds. It is classified under the superclass of phenylpropanoids and polyketides. This compound has the formula C21H20O4 and an average molecular weight of 336.40 g/mol.</description> <cas>16277-87-5</cas> <pubchem-id>177731</pubchem-id> <chemical-formula>C21H20O4</chemical-formula> <weight>336.4</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">2026-08-21T18:30:37Z</created-at> <updated-at type="dateTime">2026-08-21T18:30:37Z</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 nil="true"/> <moldb-formula>C21H20O4</moldb-formula> <moldb-inchi>InChI=1S/C21H20O4/c1-14(2)10-11-24-17-8-9-18-20(12-17)25-13-19(21(18)22)15-4-6-16(23-3)7-5-15/h4-10,12-13H,11H2,1-3H3</moldb-inchi> <moldb-inchikey>XZMVXCSKRYOMID-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">336.4</moldb-average-mass> <moldb-mono-mass type="decimal">336.1361591</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>4.6</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>CHEM203264</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id nil="true"/> <iupac>3-(4-methoxyphenyl)-7-(3-methylbut-2-enoxy)chromen-4-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>Phenylpropanoids and polyketides</superklass> <klass>Isoflavonoids</klass> <subklass>O-methylated isoflavonoids</subklass> <paper-count type="integer">3</paper-count> <sync-id>CED0046293</sync-id> <structure-inchikey nil="true"/> <structure-fingerprint nil="true"/> <structure-pattern-fingerprint nil="true"/> <structure-pickle nil="true"/> <structure-indexed-at nil="true"/> </compound>