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59527

Silybin B

analytical standard

Synonym(s):

(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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About This Item

Empirical Formula (Hill Notation):
C25H22O10
CAS Number:
142797-34-0
Molecular Weight:
482.44
NACRES:
NA.24
PubChem Substance ID:
329758674
UNSPSC Code:
85151701
MDL number:
MFCD18827498
Technical Service
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grade

analytical standard

Quality Segment

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, chromatography: suitable, gas chromatography (GC): suitable

impurities

≤10.0% water, ≤3.0% residual solvents

application(s)

food and beverages

format

neat

SMILES string

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

General description

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.

Application

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.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Codes

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

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Certificates of Analysis (COA)

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