02000585

Silybin

mixture of Silybin A and B, primary reference standard

• Synonym(s): (2R,3R)-3,5,7-Trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-hydroxymethyl-2,3-dihydrobenzo[1,4]dioxin-6-yl]chroman-4-one, Silibinin
• Empirical Formula (Hill Notation): C₂₅H₂₂O₁₀
• CAS Number: 802918-57-6
• Molecular Weight: 482.44
• EC Number: 245-302-5
• UNSPSC Code: 85151701
• NACRES: NA.24

Properties

• grade: primary reference standard
• quality: mixture of Silybin A and B
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: HWI
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• application(s): food and beverages
• SMILES string: COc1cc(ccc1O)C2Oc3cc(ccc3OC2CO)[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-DBMPWETRSA-N

Description

General description

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Application

Reference standard in the analysis of herbal medicinal products.

Other Notes

This compound is commonly found in plants of the genus: silybum

Safety Information

• 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