321278 <common-name>(e)-3-(3,4-dihydroxyphenyl)-1-(5-hydroxy-2,2-dimethylchromen-6-yl)prop-2-en-1-one</common-name> <description nil="true"/> <cas nil="true"/> <pubchem-id>42607537</pubchem-id> <chemical-formula>C20H18O5</chemical-formula> <weight>338.4</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">2026-08-29T20:39:44Z</created-at> <updated-at type="dateTime">2026-08-29T20:39:44Z</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(C=CC2=C(O1)C=CC(=C2O)C(=O)C=CC3=CC(=C(C=C3)O)O)C</moldb-smiles> <moldb-formula>C20H18O5</moldb-formula> <moldb-inchi>InChI=1S/C20H18O5/c1-20(2)10-9-14-18(25-20)8-5-13(19(14)24)15(21)6-3-12-4-7-16(22)17(23)11-12/h3-11,22-24H,1-2H3/b6-3+</moldb-inchi> <moldb-inchikey>PSRXBIVVQYDUHH-ZZXKWVIFSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">338.1154237</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>4.1</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>CHEM317171</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>(e)-3-(3,4-dihydroxyphenyl)-1-(5-hydroxy-2,2-dimethylchromen-6-yl)prop-2-en-1-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>Linear 1,3-diarylpropanoids</klass> <subklass>Chalcones and dihydrochalcones</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0272000</sync-id> <structure-inchikey>PSRXBIVVQYDUHH-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>42000041000004001000000000000080000000000000000000200800000000000000000000000010000000000000000000000000000000000000000000000000000000001000000000040000000000000020800000000200000000000000000000001000010000001000000000100000000000040000000000000000000000004010000048000000000000000000002000000000000000000000000000000020200000080000000000000000080000000000000000000000100000000000000000000000000000002100000000000000100000000000000001000200000000000000004000000000002040040000400400000000000000000100000010004040</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle>ï¾­Þ������������������������€���`������� ������h��������h�������@(������@(�������(������@h�������@h�������@(������@(�������h��������(�������(�������h��������h�������@(������@h�������@(������@(������@h�������@h��������h��������h��������`��������������(��� ��h��� ��h���h�� h� h� � � � (��� ��(��� ��h���h���h���h���h��� �� ������ �h���h�B�������������� �������������������</structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T05:26:10Z</structure-indexed-at> </compound>