97326

Isosilybin A

analytical standard

• Synonyme(s) : (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
• Formule empirique (notation de Hill): C₂₅H₂₂O₁₀
• Numéro CAS: 142796-21-2
• Poids moléculaire : 482.44
• Code UNSPSC : 85151701
• Nomenclature NACRES : NA.24

Propriétés

• Qualité: analytical standard
• Niveau de qualité: 100
• Pureté: ≥95.0% (HPLC)
• Durée de conservation: limited shelf life, expiry date on the label
• Technique(s): HPLC: suitable; gas chromatography (GC): suitable
• Impuretés: ≤10.0% water
• Application(s): food and beverages
• Format: neat
• Chaîne SMILES: 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
• Clé InChI: FDQAOULAVFHKBX-HKTJVKLFSA-N

Description

Description générale

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.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H302
• Conseils de prudence: P264 - P270 - P301 + P312 - P501
• Classification des risques: Acute Tox. 4 Oral
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable