Europinidin

Europinidin (Eu) is an O-methylated anthocyanidin. It is a water-soluble, bluish red plant dye.[1] It is a rare O-methylated flavonoid, a derivative of delphinidin. It can be found in some species of Plumbago and Ceratostigma.[2]

Europinidin

Names
IUPAC name 2-(3,4-dihydroxy-5-methoxyphenyl)-5-methoxychromenylium-3,7-diol
Other names 5,3′-di-O-methyldelphinidin
Identifiers
CAS Number	19077-87-3^Y
3D model (JSmol)	Interactive image
ChemSpider	24842463^Y
PubChem CID	14496547
CompTox Dashboard (EPA)	DTXSID90561014
InChI InChI=1S/C17H14O7/c1-22-13-5-9(18)6-14-10(13)7-12(20)17(24-14)8-3-11(19)16(21)15(4-8)23-2/h3-7H,1-2H3,(H3-,18,19,20,21)/p+1^N Key: XJXMPIWHBIOJSH-UHFFFAOYSA-O^N InChI=1/C17H14O7/c1-22-13-5-9(18)6-14-10(13)7-12(20)17(24-14)8-3-11(19)16(21)15(4-8)23-2/h3-7H,1-2H3,(H3-,18,19,20,21)/p+1 Key: XJXMPIWHBIOJSH-IKLDFBCSAN
SMILES Oc1cc2c(OC)cc(O)cc2[o+]c1c3cc(OC)c(O)c(O)c3
Properties
Chemical formula	C17H15O7^+ (, Cl^−)
Molar mass	331.30 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References

1. Europinidin on www.food-info.net
2. Harborne, J.B. (1967). "Comparative biochemistry of the flavonoids-IV". Phytochemistry. 6 (10): 1415. doi:10.1016/S0031-9422(00)82884-8.