Astringin

Astringin
Names

IUPAC name (2S,3R,4S,5S,6R)-2-[3-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5-hydroxyphenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Identifiers
CAS Number	29884-49-9^N
3D model (Jmol)	Interactive image
ChEBI	CHEBI:2899^N
ChemSpider	4445028^Y
PubChem CID	5281712
InChI InChI=1S/C20H22O9/c21-9-16-17(25)18(26)19(27)20(29-16)28-13-6-11(5-12(22)8-13)2-1-10-3-4-14(23)15(24)7-10/h1-8,16-27H,9H2/b2-1+/t16-,17-,18+,19-,20-/m1/s1^Y Key: PERPNFLGJXUDDW-CUYWLFDKSA-N^Y InChI=1/C20H22O9/c21-9-16-17(25)18(26)19(27)20(29-16)28-13-6-11(5-12(22)8-13)2-1-10-3-4-14(23)15(24)7-10/h1-8,16-27H,9H2/b2-1+/t16-,17-,18+,19-,20-/m1/s1 Key: PERPNFLGJXUDDW-CUYWLFDKBH
SMILES O(c2cc(O)cc(\C=C\c1ccc(O)c(O)c1)c2)[C@@H]3O[C@@H]([C@@H](O)[C@H](O)[C@H]3O)CO
Properties
Chemical formula	C₂₀H₂₂O₉
Molar mass	406.38 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is ^YN ?)
Infobox references

Astringin is a stilbenoid. It is the piceatannol glucoside. It can be found in the bark of Picea sitchensis or Picea abies (Norway spruce).

It is also present in Vitis vinifera cells cultures and in wine.