59527

Silybin B

analytical standard

• Synonym(e): (2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-hydroxymethyl-2,3-dihydrobenzo[1,4]dioxin-6-yl]-chroman-4-on, (2S,3S)-2,3-Dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-6-[(2R,3R)-3,5,7-trihydroxy-4-oxo-benzopyran-2-yl]-benzodioxin
• Empirische Formel (Hill-System): C₂₅H₂₂O₁₀
• CAS-Nummer: 142797-34-0
• Molekulargewicht: 482.44
• NACRES: NA.24
• PubChem Substance ID: 329758674
• UNSPSC Code: 85151701
• MDL number: MFCD18827498

Eigenschaften

• grade: analytical standard
• Quality Segment: 100
• assay: ≥98.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: 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

Beschreibung

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.

Sicherheitshinweise

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable