Marein

Marein
Names
	IUPAC name 4′-(β-D-Glucopyranosyloxy)-2′,3,3′,4-tetrahydroxychalcone
	Systematic IUPAC name 2′,3,3′,4-Tetrahydroxy-4′-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}chalcone
	Other names Okanin-4'-O-glucoside
Identifiers
CAS Number	535-96-6 =; 197164-34-4 (non-specific) ;
3D model (JSmol)	Interactive image;
ChemSpider	4945457 ;
ECHA InfoCard	100.007.841
PubChem CID	6441269;
UNII	CY787E65J4 ;
CompTox Dashboard (EPA)	DTXSID601029273 ;
	SMILES C1=CC(=C(C=C1C=CC(=O)C2=C(C(=C(C=C2)OC3C(C(C(C(O3)CO)O)O)O)O)O)O)O;
Properties
Chemical formula	C21H22O11
Molar mass	450.39 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Marein is a chalconoid, a type of natural phenol.^[1] It is the 4'-O-glucoside of okanin. It can be found in Coreopsis maritima.^[2] It is an anthochlor pigment, a kind of yellow pigment.^[3]

References

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v t e Chalconoids and their glycosides
Chalconoids	Butein Isoliquiritigenin Methyl hydroxychalcone Okanin
Chalconoid glycosides	Carthamin Marein okanin 3,4,3′-trimethyl ether 4′-glucoside okanin 4-methyl ether 4′-glucoside okanin 4-methyl ether 4′-glucoside monoacetate Okanin 3,4-dimethyl ether 4′-glucoside
Acylated chalconoids	Licochalcone A Sophoradin (prenylated) Tephrospinosin (3′,5′-diisopentenyl-2′,4′-dihydroxychalcone) (prenylated) Xanthohumol (prenylated)
O-methylated chalconoids	Cardamomin Flavokawin B Okanin 3,4,3′,4′-tetramethyl ether Pashanone (2',6'-Dihydroxy-3',4'-dimethoxychalcone)
Flavokavains	Flavokavain A Flavokavain B Flavokavain C
Synthetic	Sofalcone