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CAS 548-83-4

CAS 548-83-4 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 548-83-4
CAS 548-83-4PubChem CID 5281616

Galangin

Galangin is a 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively; a growth inhibitor of breast tumor cells. It has a role as an antimicrobial agent, an EC 3.1.1.3 (triacylglycerol lipase) inhibitor and a plant metabolite. It is a trihydroxyflavone and a 7-hydroxyflavonol. — ChEBI

IUPAC name
3,5,7-trihydroxy-2-phenylchromen-4-one
Molecular formula
C15H10O5
Molecular weight
270.24 g/mol
Exact mass
270.05282342 Da
XLogP3
2.3
Topological polar surface area
87.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

Norizalpinin3,5,7-Trihydroxyflavone3,5,7-triOH-Flavone3,5,7-Trihydroxy-2-phenyl-4-benzopyrone4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-phenyl-142FWE6ECSFLAVONE, 3,5,7-TRIHYDROXY-3,5,7-trihydroxy-2-phenyl-4H-benzopyran-4-one
16 more reported names
4H-Benzopyran-4-one, 3,5,7-trihydroxy-2-phenyl-NSC-407229CHEBI:5262RefChem:142148208-960-43,5,7-Trihydroxy-2-phenyl-4H-chromen-4-one3,5,7-Trihydroxy-2-phenyl-4H-1-benzopyran-4-oneBRN 0272179Galangin (Standard)5,7-DihydroxyflavonolGALANGIN [MI]3,5,7-trihydroxy-2-phenyl-chromen-4-oneEX-A4261Norizalpinin;3,5,7-TrihydroxyflavoneEINECS 208-960-4UNII-142FWE6ECS
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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 548-83-4

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How CAS 548-83-4 is used on this site

CAS 548-83-4 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 548-83-4 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.