OSW 1 structure

OSW 1

TL;DR: OSW 1 (CAS 145075-81-6) is a chemical compound with molecular formula C47H68O15 and molecular weight 872.46 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

[(2S,3R,4S,5R)-2-[(2S,3R,4S,5S)-3-acetyloxy-2-[[(3R,8S,9R,10R,13S,14R,16R,17S)-3,17-dihydroxy-10,13-dimethyl-17-[(2S)-6-methyl-3-oxoheptan-2-yl]-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-16-yl]oxy]-5-hydroxyoxan-4-yl]oxy-4,5-dihydroxyoxan-3-yl] 4-methoxybenzoate

Also Known As: OSW 1, [(2S,3R,4S,5R)-2-[(2S,3R,4S,5S)-3-acetyloxy-2-[[(3R,8S,9R,10R,13S,14R,16R,17S)-3,17-dihydroxy-10,13-dimethyl-17-[(2S)-6-methyl-3-oxoheptan-2-yl]-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-16-yl]oxy]-5-hydroxyoxan-4-yl]oxy-4,5-dihydroxyoxan-3-yl] 4-methoxybenzoate, 3,16,17-Trihydroxycholest-5-en-22-one 16-O-(2-O-4-methoxybenzoylxylopyranosyl)-1-3-(2-O-acetylarabinopyranoside), Cholest-5-en-22-one, 16-((2-O-acetyl-3-O-(2-O-(4-methoxybenzoyl)-beta-D-xylopyranosyl)-alpha-L-arabinopyranosyl)oxy)-3,17-dihydroxy-, (3beta,16beta)-

CAS: 145075-81-6
Molecular Formula C47H68O15
Molecular Weight 872.46 g/mol
LogP 4.3
Topological Polar Surface Area 217.0 Ų
Hydrogen Bond Donors 5
Hydrogen Bond Acceptors 15
Rotatable Bonds 15
Exact Mass 872.4558
Heavy Atoms 62
Complexity 1630.0

Chemical Identifiers

CAS Number 145075-81-6
SMILES C[C@H](C(=O)CCC(C)C)[C@]1([C@@H](C[C@H]2[C@@]1(CC[C@@H]3[C@@H]2CC=C4[C@@]3(CC[C@H](C4)O)C)C)O[C@H]5[C@@H]([C@H]([C@H](CO5)O)O[C@H]6[C@@H]([C@H]([C@@H](CO6)O)O)OC(=O)C7=CC=C(C=C7)OC)OC(=O)C)O
InChIKey MPXTYZZFIJTPPA-JOQRFCRPSA-N

Product Overview

OSW 1 (CAS 145075-81-6), with molecular formula C47H68O15 and molecular weight 872.46 g/mol. IUPAC: [(2S,3R,4S,5R)-2-[(2S,3R,4S,5S)-3-acetyloxy-2-[[(3R,8S,9R,10R,13S,14R,16R,17S)-3,17-dihydroxy-10,13-dimethyl-17-[(2S)-6-methyl-3-oxoheptan-2-yl]-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-16-yl]oxy]-5-hydroxyoxan-4-yl]oxy-4,5-dihydroxyoxan-3-yl] 4-methoxybenzoate.

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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 OSW 1

XLogP
4.3
TPSA (Topological Polar Surface Area)
217.0
Hydrogen Bond Donors
5
Hydrogen Bond Acceptors
15
Rotatable Bonds
15
Heavy Atoms
62
Complexity
1630.0
Exact Mass
872.4558
Monoisotopic Mass
872.4558
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 OSW 1

The XLogP value of 4.3 indicates that OSW 1 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 217.0 Ų indicates high polarity, suggesting OSW 1 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, OSW 1 has 5 hydrogen bond donor(s) and 15 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 OSW 1?

The CAS number of OSW 1 is 145075-81-6.

What is the molecular formula of OSW 1?

The molecular formula of OSW 1 is C47H68O15.

What is the molecular weight of OSW 1?

The molecular weight of OSW 1 is 872.46 g/mol.

Where can I buy OSW 1?

You can request a quote for OSW 1 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for OSW 1?

Yes, KEHONG BIO provides custom synthesis services for OSW 1 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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