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Merck
CN

59527

Supelco

水飞蓟宾B

analytical standard

别名:

(2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-hydroxymethyl-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone, (2S,3S)-2,3-Dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-6-[(2R,3R)-3,5,7-trihydroxy-4-oxobenzopyran-2-yl]benzodioxin

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关于此项目

经验公式（希尔记法）:
C25H22O10
化学文摘社编号:
142797-34-0
分子量:
482.44
MDL编号:
MFCD18827498
UNSPSC代码:
85151701
PubChem化学物质编号:
329758674
NACRES:
NA.24

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等级

analytical standard

质量水平

100

方案

≥98.0% (HPLC)

保质期

limited shelf life, expiry date on the label

技术

HPLC: suitable
gas chromatography (GC): suitable

杂质

≤10.0% water
≤3.0% residual solvents

应用

food and beverages

包装形式

neat

SMILES字符串

COc1cc(ccc1O)[C@@H]2Oc3cc(ccc3O[C@H]2CO)[C@H]4Oc5cc(O)cc(O)c5C(=O)[C@@H]4O

InChI

1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-16-5-3-12(7-18(16)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3/t20-,23-,24-,25+/m0/s1

InChI key

SEBFKMXJBCUCAI-WAABAYLZSA-N

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一般描述

Silybin B is a flavonolignan present in silybin, an important bioactive constituent of silymarin extracted from the milk thistle plant, Silybum marianum. It is used in the treatment of various liver conditions and exhibits high anti-tumor promoting activity.

应用

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Silybin B may be used as an analytical reference standard for the quantification of the analyte in milk thistle plant extract using liquid chromatography−electrospray tandem mass spectrometry.

包装

Bottomless glass bottle. Contents are inside inserted fused cone.

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H302

危险分类

Acute Tox. 4 Oral

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCH2894
BCCH0759
BCCG1119
BCCF0670
BCCC3304

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Antonia Diukendjieva et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 53, 79-85 (2019-01-23)
In recent years the number of natural products used as pharmaceuticals, components of dietary supplements and cosmetics has increased tremendously requiring more extensive evaluation of their pharmacokinetic properties. This study aims at combining in vitro and in silico methods to
James I Lee et al.
Journal of chromatography. A, 1116(1-2), 57-68 (2006-04-25)
A selective and sensitive liquid chromatography/tandem mass spectrometry (LC/MS/MS) method has been developed for the characterization of silymarin in commercially available milk thistle extract. In this study, six main active constituents, including silydianin, silychristin, diastereomers of silybin (silybin A and
Kateřina Valentová et al.
International journal of molecular sciences, 19(8) (2018-08-12)
Silymarin, an extract from milk thistle (Silybum marianum) fruits, is consumed in various food supplements. The metabolism of silymarin flavonolignans in mammals is complex, the exact structure of their metabolites still remains partly unclear and standards are not commercially available.
Jiazeng Yang et al.
Metabolic engineering, 59, 44-52 (2020-02-01)
Silymarin extracted from milk thistle seeds, is used for treating hepatic diseases. Silybin and isosilybin are its main components, and synthesized from coupling of taxifolin and coniferyl alcohol. Here, the biosynthetic pathways of taxifolin and coniferyl alcohol were reconstructed in
Weiquan Zhao et al.
Journal of separation science, 37(17), 2300-2306 (2014-06-14)
Silymarin extracted from Silybum marianum (L.) Gaertn consists of a large number of flavonolignans, of which diastereoisomeric flavonolignans including silybin A and silybin B, and isosilybin A and isosilybin B are the main bioactive components, whose preparation from the crude
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