Astragalin
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 477368973
| Name = Astragalin
| ImageFile = Astragalin.svg
| ImageSize = 300px
| ImageName = Astragalin structure
| IUPACName = 3-(β-D-Glucopyranosyloxy)-4′,5,7-trihydroxyflavone
| SystematicName = 5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
| OtherNames= Astragaline
asragalin
kaempferol-3-glucoside
Kaempferol 3-glucoside
Kaempferol 3-O-glucoside
Kaempferol-3-O-glucoside
Kaempferol-3-D-glucoside
Kaempferol-3-beta-monoglucoside
Kaempferol 3-O-β-D-glucopyranoside
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|changed|??}}
| CASNo = 480-10-4
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = APM8UQ3Z9O
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 30200
| PubChem = 5282102
| Beilstein=100568
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 453290
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = C12249
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 4445311
| SMILES = O=C2C(\O[C@@H]1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)CO)=C(/Oc3cc(O)cc(O)c23)c4ccc(O)cc4
| InChI = 1/C21H20O11/c22-7-13-15(26)17(28)18(29)21(31-13)32-20-16(27)14-11(25)5-10(24)6-12(14)30-19(20)8-1-3-9(23)4-2-8/h1-6,13,15,17-18,21-26,28-29H,7H2/t13-,15-,17+,18-,21+/m1/s1
| InChIKey = JPUKWEQWGBDDQB-QSOFNFLRBV
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C21H20O11/c22-7-13-15(26)17(28)18(29)21(31-13)32-20-16(27)14-11(25)5-10(24)6-12(14)30-19(20)8-1-3-9(23)4-2-8/h1-6,13,15,17-18,21-26,28-29H,7H2/t13-,15-,17+,18-,21+/m1/s1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = JPUKWEQWGBDDQB-QSOFNFLRSA-N
}}
|Section2={{Chembox Properties
| C=21 | H=20 | O=11
| Density = 1.791 g/mL
| MeltingPt =
| BoilingPt =
}}
}}
Astragalin is a chemical compound. It can be isolated from Phytolacca americana (the American pokeweed) or in the methanolic extract of fronds of the fern Phegopteris connectilis.{{cite journal | doi = 10.1016/S0031-9422(99)00326-X| title = Phenolic constituents of the fern Phegopteris connectilis| date = 1999| last1 = Adam| first1 = Klaus-Peter| journal = Phytochemistry| volume = 52| issue = 5| pages = 929–934| bibcode = 1999PChem..52..929A}} It is also found in wine.
Astragalin is a 3-O-glucoside of kaempferol.