Silenoside A structure

Silenoside A

TL;DR: Silenoside A (CAS 81655-86-9) is a chemical compound with molecular formula C33H54O12 and molecular weight 642.36 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2R,3R,5R,9R,10R,13R,17S)-17-[(2R,3R)-2,6-dihydroxy-6-methyl-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one

Also Known As: Silenoside A, (2R,3R,5R,9R,10R,13R,17S)-17-[(2R,3R)-2,6-dihydroxy-6-methyl-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one, 2,3,14,20,25-Pentahydroxy-6-oxocholest-7-en-22-yl hexopyranoside, (14xi,22R)-2alpha,3beta,14,20,25-Pentahydroxy-6-oxo-5beta-cholest-7-en-22-yl alpha-D-galactopyranoside, beta-D-galactopyranosyl(1-->2)-beta-D-glucuronopyranosyl-3beta- hydrox y-23-oxo-olean-12-en-28-oic acid 28-O-beta-D-xylopyranosyl(1-->3)-beta-D-xylopyranosyl(1-->4)-alpha-L- rhamnopyranosyl(1-->2)-beta-D-fucopyranoside

CAS: 81655-86-9
Molecular Formula C33H54O12
Molecular Weight 642.36 g/mol
LogP -1.1
Topological Polar Surface Area 218.0 Ų
Hydrogen Bond Donors 9
Hydrogen Bond Acceptors 12
Rotatable Bonds 8
Exact Mass 642.3615
Heavy Atoms 45
Complexity 1160.0

Chemical Identifiers

CAS Number 81655-86-9
SMILES C[C@]12CC[C@H]3C(=CC(=O)[C@H]4[C@@]3(C[C@H]([C@@H](C4)O)O)C)C1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(C)O)O[C@@H]5[C@@H]([C@H]([C@H]([C@H](O5)CO)O)O)O)O)O
InChIKey OYLAWXRQIJWVHG-PRYDOBOQSA-N

Product Overview

Silenoside A (CAS 81655-86-9), with molecular formula C33H54O12 and molecular weight 642.36 g/mol. IUPAC: (2R,3R,5R,9R,10R,13R,17S)-17-[(2R,3R)-2,6-dihydroxy-6-methyl-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-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 Silenoside A

XLogP
-1.1
TPSA (Topological Polar Surface Area)
218.0
Hydrogen Bond Donors
9
Hydrogen Bond Acceptors
12
Rotatable Bonds
8
Heavy Atoms
45
Complexity
1160.0
Exact Mass
642.3615
Monoisotopic Mass
642.3615
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 Silenoside A

The XLogP value of -1.1 indicates that Silenoside A is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 218.0 Ų indicates high polarity, suggesting Silenoside A may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Silenoside A has 9 hydrogen bond donor(s) and 12 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

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 Silenoside A?

The CAS number of Silenoside A is 81655-86-9.

What is the molecular formula of Silenoside A?

The molecular formula of Silenoside A is C33H54O12.

What is the molecular weight of Silenoside A?

The molecular weight of Silenoside A is 642.36 g/mol.

Where can I buy Silenoside A?

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

Does KEHONG BIO offer custom synthesis for Silenoside A?

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

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