Tris(4-methoxyphenyl)phosphine oxide structure

Tris(4-methoxyphenyl)phosphine oxide

TL;DR: Tris(4-methoxyphenyl)phosphine oxide (CAS 803-17-8) is a chemical compound with molecular formula C21H21O4P and molecular weight 368.12 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene

Also Known As: tris(4-methoxyphenyl)phosphine oxide, Tris-p-anisylphosphine oxide, Tris(p-anisyl)phosphine oxide, tri(p-methoxyphenyl) phosphine oxide, Phosphine oxide, tris(4-methoxyphenyl)-

CAS: 803-17-8
Molecular Formula C21H21O4P
Molecular Weight 368.12 g/mol
LogP 3.3518
Topological Polar Surface Area 44.76 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 6
Exact Mass 368.11774
Heavy Atoms 26
Complexity 777.81256

Chemical Identifiers

CAS Number 803-17-8
SMILES COC1=CC=C(C=C1)P(=O)(C2=CC=C(C=C2)OC)C3=CC=C(C=C3)OC

Product Overview

Tris(4-methoxyphenyl)phosphine oxide (CAS 803-17-8), with molecular formula C21H21O4P and molecular weight 368.12 g/mol. IUPAC: 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene.

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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.
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Chemical Property Profile of Tris(4-methoxyphenyl)phosphine oxide

XLogP
3.3518
TPSA (Topological Polar Surface Area)
44.76
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
6
Heavy Atoms
26
Complexity
777.81256
Exact Mass
368.11774
Monoisotopic Mass
368.11774
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 Tris(4-methoxyphenyl)phosphine oxide

The XLogP value of 3.3518 indicates that Tris(4-methoxyphenyl)phosphine oxide is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 44.76 Ų, Tris(4-methoxyphenyl)phosphine oxide exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Tris(4-methoxyphenyl)phosphine oxide has 0 hydrogen bond donor(s) and 4 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 Tris(4-methoxyphenyl)phosphine oxide?

The CAS number of Tris(4-methoxyphenyl)phosphine oxide is 803-17-8.

What is the molecular formula of Tris(4-methoxyphenyl)phosphine oxide?

The molecular formula of Tris(4-methoxyphenyl)phosphine oxide is C21H21O4P.

What is the molecular weight of Tris(4-methoxyphenyl)phosphine oxide?

The molecular weight of Tris(4-methoxyphenyl)phosphine oxide is 368.12 g/mol.

Where can I buy Tris(4-methoxyphenyl)phosphine oxide?

You can request a quote for Tris(4-methoxyphenyl)phosphine oxide directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Tris(4-methoxyphenyl)phosphine oxide?

Yes, KEHONG BIO provides custom synthesis services for Tris(4-methoxyphenyl)phosphine oxide and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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