1.0 2010-04-08 22:12:34 UTC 2019-11-26 03:13:34 UTC FDB016661 Isoastragalin Isolated from Gossypium hirsutum (cotton) and other plant subspecies Isoastragalin is found in fats and oils. Isoastragalin Kaempferol 3-a-D-glucoside Kaempferol 3-alpha-D-glucoside C21H20O11 448.3769 448.100561482 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-{[(2R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-chromen-4-one 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-{[(2R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}chromen-4-one 23627-87-4 OCC1OC(OC2=C(OC3=CC(O)=CC(O)=C3C2=O)C2=CC=C(O)C=C2)C(O)C(O)C1O InChI=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 JPUKWEQWGBDDQB-UHFFFAOYSA-N belongs to the class of organic compounds known as flavonoid-3-o-glycosides. These are phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to carbohydrate moiety at the C3-position. Flavonoid-3-O-glycosides Organic compounds Phenylpropanoids and polyketides Flavonoids Flavonoid glycosides melting_point Mp 245-246° logp 0.16 ChemAxon pka_strongest_acidic 6.37 ChemAxon pka_strongest_basic -3 ChemAxon iupac 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-{[(2R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-chromen-4-one ChemAxon average_mass 448.3769 ChemAxon mono_mass 448.100561482 ChemAxon smiles OCC1OC(OC2=C(OC3=CC(O)=CC(O)=C3C2=O)C2=CC=C(O)C=C2)C(O)C(O)C1O ChemAxon formula C21H20O11 ChemAxon inchi InChI=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 ChemAxon inchikey JPUKWEQWGBDDQB-UHFFFAOYSA-N ChemAxon polar_surface_area 186.37 ChemAxon refractivity 107.29 ChemAxon polarizability 42.32 ChemAxon rotatable_bond_count 4 ChemAxon acceptor_count 11 ChemAxon donor_count 7 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon HMDB30864 #<Reference:0x000055ce3095e490> Fats and oils Unknown generic