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≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Isoastilbin is a dihydroflavonol glycoside compound in Rhizoma Smilacis glabrae and Astragalus membranaceus . Isoastilbin inhibits glucosyltransferase (GTase) with an IC 50 value of 54.3 μg/mL, and also inhibits tyrosinase activity. Isoastilbin shows neuroprotective, antioxidation, antimicrobial and anti-apoptotic properties and has the potential for Alzheimer’s disease research
Form:Solid
IC50& Target:IC50: 54.3 μg/mL (Glucosyltransferase (GTase)
| Canonical Smiles | CC1C(C(C(C(O1)OC2C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O |
|---|---|
| IUPAC Name | 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy-2,3-dihydrochromen-4-one |
| InChIKey | ZROGCCBNZBKLEL-UHFFFAOYSA-N |
| INCHI | 1S/C21H22O11/c1-7-15(26)17(28)18(29)21(30-7)32-20-16(27)14-12(25)5-9(22)6-13(14)31-19(20)8-2-3-10(23)11(24)4-8/h2-7,15,17-26,28-29H,1H3 |
| Isomeric SMILES | CC1C(C(C(C(O1)OC2C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O |
| Alternate CAS | 54141-72-9 |
| NSC Number | 245342 |
| MeSH Entry Terms | (2R-cis)-isomer of astilbin;(2S-cis)-isomer of astilbin;3-0-alpha-1-rhamnosyl-(2R,3R)-dihydroquercetin;astilbin;isoastilbin;neoisoastilbin |
| Molecular Weight | 450.4 |
| Reaxy-Rn | 25248269 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=25248269&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Phenylpropanoids and polyketides |
| Class | Flavonoids |
| Subclass | Flavonoid glycosides |
| Intermediate Tree Nodes | Flavonoid O-glycosides |
| Direct Parent | Flavonoid-3-O-glycosides |
| Alternative Parents | 3'-hydroxyflavonoids 4'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids Flavanonols Hexoses Chromones O-glycosyl compounds Catechols Aryl alkyl ketones 1-hydroxy-2-unsubstituted benzenoids Alkyl aryl ethers 1-hydroxy-4-unsubstituted benzenoids Benzene and substituted derivatives Oxanes Vinylogous acids Secondary alcohols Oxacyclic compounds Acetals Polyols Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Flavonoid-3-o-glycoside - Hydroxyflavonoid - Flavanonol - Flavanone - 7-hydroxyflavonoid - 5-hydroxyflavonoid - 4'-hydroxyflavonoid - 3'-hydroxyflavonoid - Flavan - Hexose monosaccharide - Chromone - O-glycosyl compound - Glycosyl compound - Benzopyran - 1-benzopyran - Chromane - Aryl alkyl ketone - Aryl ketone - Catechol - 1-hydroxy-4-unsubstituted benzenoid - Phenol - Alkyl aryl ether - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Benzenoid - Oxane - Monosaccharide - Vinylogous acid - Secondary alcohol - Ketone - Ether - Polyol - Organoheterocyclic compound - Acetal - Oxacycle - Organic oxide - Organic oxygen compound - Alcohol - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound 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. |
| External Descriptors | Not available |
| Molecular Weight | 450.400 g/mol |
|---|---|
| XLogP3 | 0.400 |
| Hydrogen Bond Donor Count | 7 |
| Hydrogen Bond Acceptor Count | 11 |
| Rotatable Bond Count | 3 |
| Exact Mass | 450.116 Da |
| Monoisotopic Mass | 450.116 Da |
| Topological Polar Surface Area | 186.000 Ų |
| Heavy Atom Count | 32 |
| Formal Charge | 0 |
| Complexity | 676.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 7 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |