Isoastilbin

Modify Date: 2025-08-24 20:22:07

Isoastilbin structure	Common Name	Isoastilbin
	CAS Number	54081-48-0	Molecular Weight	450.393
	Density	1.7±0.1 g/cm3	Boiling Point	801.1±65.0 °C at 760 mmHg
	Molecular Formula	C₂₁H₂₂O₁₁	Melting Point	N/A
	MSDS	N/A	Flash Point	282.9±27.8 °C

Use of Isoastilbin

Isoastilbin is a dihydroflavonol glycoside compound in Rhizoma Smilacis glabrae and Astragalus membranaceus. Isoastilbin inhibits glucosyltransferase (GTase) with an IC50 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[1][21][3].

Name	(2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2 H-chromen-3-yl 6-deoxy-α-L-mannopyranoside
Synonym	More Synonyms

Description	Isoastilbin is a dihydroflavonol glycoside compound in Rhizoma Smilacis glabrae and Astragalus membranaceus. Isoastilbin inhibits glucosyltransferase (GTase) with an IC50 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[1][21][3].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Metabolic Enzyme/Protease >> Tyrosinase Research Areas >> Neurological Disease Signaling Pathways >> Anti-infection >> Bacterial
Target	IC50: 54.3 μg/mL (Glucosyltransferase (GTase)[2]
References	[1]. Hong Yu, et al. Protective Roles of Isoastilbin Against Alz heimer's Disease via Nrf2-mediated Antioxidation and anti‑apoptosis. Int J Mol Med. 2019 Mar;43(3):1406-1416. [2]. Harlinda Kuspradini, et al. Antimicrobial activity against Streptococcus sobrinus and glucosyltransferase inhibitory activity of taxifolin and some flavanonol rhamnosides from kempas (Koompassia malaccensis) extracts. J. Wood Sci., 2009, 55(4):308-13. [3]. Batubara, Irmanida, et al. Anti-acne and Tyrosinase Inhibition Properties of Taxifolin and Some Flavanonol Rhamnosides from Kempas. Wood Research Journal ,2010, 1(1):45-9.

Density	1.7±0.1 g/cm3
Boiling Point	801.1±65.0 °C at 760 mmHg
Molecular Formula	C₂₁H₂₂O₁₁
Molecular Weight	450.393
Flash Point	282.9±27.8 °C
Exact Mass	450.116211
PSA	186.37000
LogP	2.97
Vapour Pressure	0.0±3.0 mmHg at 25°C
Index of Refraction	1.748
InChIKey	ZROGCCBNZBKLEL-OOHAXVOVSA-N
SMILES	CC1OC(OC2C(=O)c3c(O)cc(O)cc3OC2c2ccc(O)c(O)c2)C(O)C(O)C1O

Hazard Codes	Xi

4H-1-Benzopyran-4-one, 3-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)-

Astilbin Dihydroquercetin 3-rhamnoside Taxifolin 3-rhamnoside

4H-1-Benzopyran-4-one, 3-((6-deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)-

Taxifolin 3-rhamnoside

Neoisoastilbin

Astilbin

(2R-trans)-3-((6-Deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one

4H-1-Benzopyran-4-one, 3-((6-deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R-trans)-

Taxifolin 3-O-rhamnoside

Astilbin from Engelhardtia roxburghiana

(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3-dihydrochromen-4-one

(2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl 6-deoxy-α-L-mannopyranoside

Isoastilbin

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Isoastilbin
Price: Check
Purity: 95.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Isoastilbin
Price: ￥4800.0/5mg
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Isoastilbin
Price: $Inquiry/250mg $Inquiry/100mg $Inquiry/1g
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: ISOASTILBIN
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.