Callistephin

Callistephin
Names
	IUPAC name 5,7‐Dihydroxy‐2‐(4‐hydroxyphenyl)‐3‐{[(2S,3R,4S,5S,6R)‐3,4,5‐trihydroxy‐6‐(hydroxymethyl)oxan‐2‐yl]oxy}‐1λ4‐chromen‐1‐ylium
	Systematic IUPAC name 5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-chromeniumyl β-D-glucopyranoside
	Other names Pelargonidin-3-O-glucoside
Identifiers
CAS Number	47684-27-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:31967;
ChemSpider	391782;
KEGG	C12137;
PubChem CID	443648;
UNII	W623YHH61A ;
	InChI InChI=1S/C21H20O10/c22-8-16-17(26)18(27)19(28)21(31-16)30-15-7-12-13(25)5-11(24)6-14(12)29-20(15)9-1-3-10(23)4-2-9/h1-7,16-19,21-22,26-28H,8H2,(H2-,23,24,25)/p+1/t16-,17-,18+,19-,21-/m1/s1 Key: ABVCUBUIXWJYSE-GQUPQBGVSA-O; InChI=1/C21H20O10/c22-8-16-17(26)18(27)19(28)21(31-16)30-15-7-12-13(25)5-11(24)6-14(12)29-20(15)9-1-3-10(23)4-2-9/h1-7,16-19,21-22,26-28H,8H2,(H2-,23,24,25)/p+1/t16-,17-,18+,19-,21-/m1/s1 Key: ABVCUBUIXWJYSE-OAYIZRCEBP;
	SMILES C1=CC(=CC=C1C2=[O+]C3=CC(=CC(=C3C=C2O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O)O;
Properties
Chemical formula	C21H21O10
Molar mass	433.389 g·mol−1
UV-vis (λmax)	505 nm
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Callistephin is an anthocyanin. It is the 3-O-glucoside of pelargonidin.

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It is found in pomegranate juice,^[2] in strawberries,^[3] and in purple corn.^[4] It is also found in the berry skins of Cabernet Sauvignon and Pinot Noir grapes (Vitis vinifera L.).^[5]

See also