219944-46-4 Usage
Chemical Properties
The saponins found in escin exist in two forms, β-escin and α-escin, which can be distinguished by melting point, hemolytic index, specific rotation and solubility in water. β-Escin (mainly consisting of escin Ia and escin Ib) is the major active ingredient in horse chestnut seeds extracts.
Pharmacological Action
Escin exhibits remarkable anti-inflammatory, anti-edematous and vasoprotective properties in a dose-dependent manner which are quite evident at 10-6–10-7 M. Escin has been traditionally used to treat conditions such as chronic venous insufficiency, hemorrhoids, inflammation and cerebral ischemic damage.
Escin Ia & Isoescin Ib
As the minor component of escin, α-escin (mainly consisting of isoescin Ia and isoescin Ib) exhibits lower bioactivity. Similar to isoescin Ia is the isomer of escin Ia, Isoescin Ib is an isomer of escin Ib. Both of them were found to be isomerizable in vitro. Escin Ib and isoescin Ib exhibits stronger pharmacological activity than escin Ia and isoescin Ia. As the result, pharmacokinetics study of them would be helpful for improving the practice of escin application.
Check Digit Verification of cas no
The CAS Registry Mumber 219944-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,4 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 219944-46:
(8*2)+(7*1)+(6*9)+(5*9)+(4*4)+(3*4)+(2*4)+(1*6)=164
164 % 10 = 4
So 219944-46-4 is a valid CAS Registry Number.
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
219944-46-4Relevant articles and documents
Bioactive saponins and glycosides. XII. Horse chestnut. (2): Structures of escins IIIb, IV, V, and VI and isoescins Ia, Ib, and V, acylated polyhydroxyoleanene triterpene oligoglycosides, from the seeds of horse chestnut tree (Aesculus hippocastanum L., Hippocastanaceae)
Yoshikawa, Masayuki,Murakami, Toshiyuki,Yamahara, Johji,Matsuda, Hisashi
, p. 1764 - 1769 (1998)
New acylated polyhydroxyoleanene triterpene oligoglycosides, escins IIIb, IV, V, and VI and isoescins Ia, Ib, and V, were isolated from the seeds of horse chestnut tree (Aesculus hippocastanum L.). Their structures were elucidated on the basis of chemical and physicochemical evidence.
