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Supelco

Silybin B

analytical standard

Sinonimo/i:

(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

Formula empirica (notazione di Hill):
C25H22O10
Numero CAS:
142797-34-0
Peso molecolare:
482.44
Numero MDL:
MFCD18827498
Codice UNSPSC:
85151701
ID PubChem:
329758674
NACRES:
NA.24

Grado

analytical standard

Livello qualitativo

100

Saggio

≥98.0% (HPLC)

Durata

limited shelf life, expiry date on the label

tecniche

HPLC: suitable
gas chromatography (GC): suitable

Impurezze

≤10.0% water
≤3.0% residual solvents

applicazioni

food and beverages

Formato

neat

Stringa SMILE

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
SEBFKMXJBCUCAI-WAABAYLZSA-N

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Descrizione generale

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.

Applicazioni

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.

Confezionamento

Bottomless glass bottle. Contents are inside inserted fused cone.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302

Classi di pericolo

Acute Tox. 4 Oral

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
BCCH2894
BCCH0759
BCCG1119
BCCF0670
BCCC3304

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Supelco

78666

Taxifolin

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.
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
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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