97326

Isosilybin A

analytical standard

• Sinónimos: (2R,3R)-3,5,7-Trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone
• Fórmula empírica (notación de Hill): C₂₅H₂₂O₁₀
• Número de CAS: 142796-21-2
• Peso molecular: 482.44
• UNSPSC Code: 85151701
• NACRES: NA.24

Propiedades

• grade: analytical standard
• Quality Level: 100
• assay: ≥95.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• impurities: ≤10.0% water
• application(s): food and beverages
• format: neat
• SMILES string: COc1cc(ccc1O)[C@H]2Oc3ccc(cc3O[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)33-18-7-12(3-5-16(18)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-/m1/s1
• InChI key: FDQAOULAVFHKBX-HKTJVKLFSA-N

Descripción

General description

Isosilybin A is a flavonolignan and one of the bioactive component available in silymarin, which is isolated from Silybum marianum. It is commonly used in the treatment of cirrhosis, hepatitis and prevents the liver from being exposed to toxic substances.

Application

Isosilybin B may be used as an analytical reference standard for the determination of the analyte in compound preparations of Silybum marianum and Silybum miltiorrhiza using high-performance liquid chromatography with photo diode array detection and electrospray ionization-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.

Información de seguridad

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable