Galangin

Galangin is a flavonol, a type of flavonoid.

Galangin

Names
IUPAC name 3,5,7-Trihydroxyflavone
Systematic IUPAC name 3,5,7-Trihydroxy-2-phenyl-4H-1-benzopyran-4-one
Other names Norizalpinin 3,5,7-triOH-Flavone
Identifiers
CAS Number	548-83-4 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:5262 Y
ChEMBL	ChEMBL309490 Y
ChemSpider	4444935 Y
ECHA InfoCard	100.008.147
IUPHAR/BPS	410
KEGG	C10044 Y
PubChem CID	5281616
UNII	142FWE6ECS Y
CompTox Dashboard (EPA)	DTXSID70203288
InChI InChI=1S/C15H10O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,16-17,19H Y Key: VCCRNZQBSJXYJD-UHFFFAOYSA-N Y InChI=1/C15H10O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,16-17,19H Key: VCCRNZQBSJXYJD-UHFFFAOYAC
SMILES O=C1c3c(O/C(=C1/O)c2ccccc2)cc(O)cc3O
Properties
Chemical formula	C15H10O5
Molar mass	270.240 g·mol−1
Density	1.579 g/mL
Melting point	214 to 215 °C (417 to 419 °F; 487 to 488 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Occurrence

Galangin is found in high concentrations in plants like Alpinia officinarum (lesser galangal)^[1] and Helichrysum aureonitens.^[2] It is also found in the rhizome of Alpinia galanga^[3] and in propolis.^[4]

Biological activities

Galangin has been shown to have in vitro antibacterial^[5][6][7] and antiviral activity.^[8] It also inhibits the growth of breast tumor cells in vitro.^[9][10]