Silymarin structure

Silymarin

TL;DR: Silymarin (CAS 65666-07-1) is a chemical compound with molecular formula C25H22O10 and molecular weight 482.12 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one

Also Known As: SILYMARIN, Silybin, silibinin, Silybin B, Legalon

CAS: 65666-07-1
Molecular Formula C25H22O10
Molecular Weight 482.12 g/mol
LogP 2.4
Topological Polar Surface Area 155.0 Ų
Hydrogen Bond Donors 5
Hydrogen Bond Acceptors 10
Rotatable Bonds 4
Exact Mass 482.1213
Heavy Atoms 35
Complexity 750.0
Melting Point 167 °C

Chemical Identifiers

CAS Number 65666-07-1
SMILES COC1=C(C=CC(=C1)C2C(OC3=C(O2)C=C(C=C3)C4C(C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O
InChIKey SEBFKMXJBCUCAI-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Heterocyclic Building Blocks (1 patents) Pharmaceutical Intermediates (38 patents)

Product Overview

Silymarin (CAS 65666-07-1), with molecular formula C25H22O10 and molecular weight 482.12 g/mol. IUPAC: 3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Silymarin

XLogP
2.4
TPSA (Topological Polar Surface Area)
155.0
Hydrogen Bond Donors
5
Hydrogen Bond Acceptors
10
Rotatable Bonds
4
Heavy Atoms
35
Complexity
750.0
Exact Mass
482.1213
Monoisotopic Mass
482.1213
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Silymarin

The XLogP value of 2.4 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Silymarin. The TPSA of 155.0 Ų indicates high polarity, suggesting Silymarin may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Silymarin has 5 hydrogen bond donor(s) and 10 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Silymarin?

The CAS number of Silymarin is 65666-07-1.

What is the molecular formula of Silymarin?

The molecular formula of Silymarin is C25H22O10.

What is the molecular weight of Silymarin?

The molecular weight of Silymarin is 482.12 g/mol.

Where can I buy Silymarin?

You can request a quote for Silymarin directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Silymarin?

Yes, KEHONG BIO provides custom synthesis services for Silymarin and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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