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CAS 20784-50-3

CAS 20784-50-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 20784-50-3
CAS 20784-50-3PubChem CID 5281255

Isobavachalcone

Isobavachalcone is a member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 4, 2' and 4' and a prenyl group at position 3'. It has a role as a metabolite, an antibacterial agent and a platelet aggregation inhibitor. It is a member of chalcones and a polyphenol. It is functionally related to a trans-chalcone. — ChEBI

IUPAC name
(E)-1-[2,4-dihydroxy-3-(3-methylbut-2-enyl)phenyl]-3-(4-hydroxyphenyl)prop-2-en-1-one
Molecular formula
C20H20O4
Molecular weight
324.4 g/mol
Exact mass
324.13615911 Da
XLogP3
5.1
Topological polar surface area
77.8 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

CorylifolininIsobacachalconeZWO2SC993A2',4,4'-Trihydroxy-3'-(3-methyl-2-butenyl)chalconeCHEBI:28106(E)-1-(2,4-dihydroxy-3-(3-methylbut-2-enyl)phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-oneRefChem:406874-Hydroxyisocordoin
16 more reported names
(E)-1-(2,4-dihydroxy-3-(3-methylbut-2-en-1-yl)phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-oneCorylifolinin;Isobacachalcone(2E)-1-[2,4-dihydroxy-3-(3-methylbut-2-en-1-yl)phenyl]-3-(4-hydroxyphenyl)prop-2-en-1-one(E)-1-[2,4-Dihydroxy-3-(3-methyl-2-butenyl)phenyl]-3-(4-hydroxyphenyl)-2-propen-1-one2-Propen-1-one, 1-[2,4-dihydroxy-3-(3-methyl-2-buten-1-yl)phenyl]-3-(4-hydroxyphenyl)-, (2E)-1-(2,4-Dihydroxy-3-(3-methylbut-2-en-1-yl)phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one4-Hydroxyisocordoim2-PROPEN-1-ONE, 1-(2,4-DIHYDROXY-3-(3-METHYL-2-BUTEN-1-YL)PHENYL)-3-(4-HYDROXYPHENYL)-, (2E)-2-PROPEN-1-ONE, 1-(2,4-DIHYDROXY-3-(3-METHYL-2-BUTENYL)PHENYL)-3-(4-HYDROXYPHENYL)-, (2E)-2-Propen-1-one, 1-[2,4-dihydroxy-3-(3-methyl-2-butenyl)phenyl]-3-(4-hydroxyphenyl)-, (2E)-Isobavachalcone [M+H]+Isobavachalcone (Standard)UNII-ZWO2SC993ACorylifolinin(Isobavachalcone)?DUWPGRAKHMEPCM-IZZDOVSWSA-NGLXC-04509
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 20784-50-3

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How CAS 20784-50-3 is used on this site

CAS 20784-50-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 20784-50-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.