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219944-46-4

isoescin Ib

CAS: 219944-46-4

Molecular Formula: C55H86O24

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219944-46-4 - Names and Identifiers

Name isoescin Ib
Synonyms Aescin D
Escin IVb
Isoescin IB
isoescin Ib
Isoescin Ib
Isoescin IB(Isoaescin IB)
4)]-β-D-glucopyranosiduronic acid
β-D-Glucopyranosiduronic acid, (3β,4β,16α,21β,22α)-28-(acetyloxy)-16,22,23-trihydroxy-21-[[(2Z)-2-methyl-1-oxo-2-buten-1-yl]oxy]olean-12-en-3-yl O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→4)]-
(3beta,4beta,16alpha,21beta,22alpha)-28-(Acetyloxy)-16,22,23-trihydroxy-21-[[(2Z)-2-methyl-1-oxo-2-buten-1-yl]oxy]olean-12-en-3-yl O-beta-D-glucopyranosyl-(1-2)-O-[beta-D-glucopyranosyl-(1-4)]-beta-D-glucopyranosiduronic acid
CAS 219944-46-4
InChI InChI=1/C55H86O24/c1-10-23(2)46(71)79-44-43(68)55(22-72-24(3)59)26(17-50(44,4)5)25-11-12-30-51(6)15-14-32(52(7,21-58)29(51)13-16-53(30,8)54(25,9)18-31(55)60)75-49-41(77-48-38(66)36(64)34(62)28(20-57)74-48)39(67)40(42(78-49)45(69)70)76-47-37(65)35(63)33(61)27(19-56)73-47/h10-11,26-44,47-49,56-58,60-68H,12-22H2,1-9H3,(H,69,70)/b23-10-/t26-,27+,28+,29+,30+,31+,32-,33+,34+,35-,36-,37+,38+,39-,40-,41+,42-,43-,44-,47-,48-,49+,51-,52+,53+,54+,55-/m0/s1

219944-46-4 - Physico-chemical Properties

Molecular FormulaC55H86O24
Molar Mass1131.26
Density1.46
Melting Point223.2-225.5°C
Boling Point1148.1±65.0 °C(Predicted)
Specific Rotation(α)(c, 0.1 in MeOH)-4.3
Flash Point314.1°C
Solubility Soluble in water and methanol, soluble in ethanol and butanol, insoluble in chloroform and acetic acid.
Vapor Presure0mmHg at 25°C
AppearanceWhite powder
pKa2.63±0.70(Predicted)
Storage Condition2-8℃
SensitiveEasily absorbing moisture
Refractive Index1.627
MDLMFCD12031630
In vitro study β-Escin (mainly consisting of escin Ia and escin Ib) is the major active ingredient in horse chestnut seeds extracts. β-escin can inhibit proliferation and/or induce apoptosis in various types of cancer cells including A549 cell, HT-29 cell, HCC cell, OVCAR3 cell and H-Ras 5RP7 cell. β-escin may be useful as a chemopreventive agent, especially for tumors associated with an inflammatory response. As the minor component of escin, α-escin (mainly consisting of isoescin Ia and isoescin Ib) exhibits lower bioactivity.

219944-46-4 - Reference

Reference
Show more
1. Nie Fang, Lu Weiqi, Tang Shengling. Simultaneous Determination of 4 Aescin [J] in Saluzi from 14 producing areas by HPLC. Chinese patent medicine 2018 40(12):2703-2708.

219944-46-4 - Reference Information

biological activity Isoescin IB was isolated from Aesculus chinensis seeds, which is an isomer of Escin IB. Isoescin IB and Escin IB are the main active ingredients in Escin.
in vitro study β-escin is the major active ingredient in horse chestnut seeds extracts. Beta-Escin can inhibit propagation and/or industry apoptosis in various types of cancer cells including A549 cell, HT-29 cell, HCC cell, OVCAR3 cell and H-Ras 5RP7 cell. β-escin may be useful as a chemopreventive agent, especially for tumors associated with an inflammatory response. As the minor component of escin, α-escin (mainly consisting of isoescin Ia and isoescin Ib) exhibits lower bioactivity.
Last Update：2024-04-09 02:00:02
219944-46-4
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Mobile: 18916960931
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Shanghai Macklin Biochemical Co., Ltd
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CAS: 219944-46-4
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328 Click to send a QQ message
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SHANGHAI ACMEC BIOCHEMICAL TECHNOLOGY CO., LTD.
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Mobile: +86-18621343501
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CAS: 219944-46-4
Tel: 609-228-6898
Email: sales@medchemexpress.com
　　　　 tech@medchemexpress.com
Mobile: 609-228-6898
Shanghai Yuanye Bio-Technology Co., Ltd.
Spot supply
Product Name: Isoescin IB Visit Supplier Webpage Request for quotation
CAS: 219944-46-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
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219944-46-4
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