Ideain

Ideain
Names
	IUPAC name (2S,4S,5R)-2-[2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromenylium-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol;chloride
	Other names Cyanidin 3-O-galactoside
Identifiers
CAS Number	27661-36-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	390306;
KEGG	C08647;
PubChem CID	46783719;
UNII	FC7L938Y12 ;
CompTox Dashboard (EPA)	DTXSID60926212 DTXSID80950312, DTXSID60926212 ;
	SMILES C1=CC(=C(C=C1C2=C(C=C3C(=CC(=CC3=[O+]2)O)O)OC4C(C(C(C(O4)CO)O)O)O)O)O.[Cl-];
Properties
Chemical formula	C21H21ClO11 (chloride), C21H21O11+ (cation)
Molar mass	484.83 g/mol (chloride), 449.38 g/mol (cation)
UV-vis (λmax)	528 nm (in methanol)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ideain, the cyanidin 3-O-galactoside, is an anthocyanin, a type of plant pigment.