Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Vincetoxicoside B
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Vincetoxicoside B
Price: ￥1968.0/20mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7-(α-L-Rhamnopyranosyloxy)-2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-4H-1-benzopyran-4-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

22007-72-3

22007-72-3 structure

22007-72-3 structure

Name: Vincetoxicoside B
Chemical Name: quercetin 7-O-α-L-rhamnopyranoside
CAS Number: 22007-72-3
Molecular Formula: C₂₁H₂₀O₁₁
Molecular Weight: 448.377
Catalog: Biochemical Plant extracts
Create Date: 2018-02-24 08:00:00
Modify Date: 2025-08-24 22:04:52
Vincetoxicoside B, isolated from Polygonum paleaceum Wall, shows antifungal activity[1].

Name	quercetin 7-O-α-L-rhamnopyranoside
Synonyms	2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-4-oxo-4H-chromen-7-yl 6-deoxy-α-L-mannopyranoside 4H-1-Benzopyran-4-one, 7-((6-deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-3,5-dihydroxy- 4H-1-Benzopyran-4-one, 7-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-3,5-dihydroxy- Quercetin-7-O-rhamnoside 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one 7-Rhamnosylquercetin quercetin 7-O-alpha-L-rhamnopyranoside Vincetoxicoside B Quercetin 7-rhamnoside

Description	Vincetoxicoside B, isolated from Polygonum paleaceum Wall, shows antifungal activity[1].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Anti-infection >> Fungal
References	[1]. Yang YX, et al. Chemical constituents from the rhizome of Polygonum paleaceum and their antifungal activity. J Asian Nat Prod Res. 2017 Jan;19(1):47-52.

Density	1.7±0.1 g/cm3
Boiling Point	801.1±65.0 °C at 760 mmHg
Melting Point	174-175℃ (methanol )
Molecular Formula	C₂₁H₂₀O₁₁
Molecular Weight	448.377
Flash Point	283.8±27.8 °C
Exact Mass	448.100555
PSA	190.28000
LogP	1.72
Vapour Pressure	0.0±3.0 mmHg at 25°C
Index of Refraction	1.755

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.