1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane structure

1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane

TL;DR: 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane (CAS 38146-99-5) is a chemical compound with molecular formula C12H36O4Si5 and molecular weight 384.15 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

dimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilane

Also Known As: 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane, 1,1,1,3,5,5,7,7,7-Nonamethyl-3- tetrasiloxane, dimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilane, 1,1,1,3,5,5,7,7,7-NONAMETHYL-3-(TRIMETHYLSILYLOXY)TETRASILOXANE, 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)-tetrasiloxan

CAS: 38146-99-5
Molecular Formula C12H36O4Si5
Molecular Weight 384.15 g/mol
LogP 4.828
Topological Polar Surface Area 36.9 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 8
Exact Mass 384.146
Heavy Atoms 21
Complexity 325.0

Chemical Identifiers

CAS Number 38146-99-5
SMILES C[Si](C)(C)O[Si](C)(C)O[Si](C)(O[Si](C)(C)C)O[Si](C)(C)C
InChIKey UJOKKSIUYZSZPY-UHFFFAOYSA-N

Patent-Derived Application Labels

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

Organometallic Reagents (2 patents) Pharmaceutical Intermediates (4 patents)

Product Overview

1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane (CAS 38146-99-5), with molecular formula C12H36O4Si5 and molecular weight 384.15 g/mol. IUPAC: dimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilane.

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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 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane

XLogP
4.828
TPSA (Topological Polar Surface Area)
36.9
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
8
Heavy Atoms
21
Complexity
325.0
Exact Mass
384.146
Monoisotopic Mass
384.146
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 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane

The XLogP value of 4.828 indicates that 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 36.9 Ų, 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane 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 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane?

The CAS number of 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane is 38146-99-5.

What is the molecular formula of 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane?

The molecular formula of 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane is C12H36O4Si5.

What is the molecular weight of 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane?

The molecular weight of 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane is 384.15 g/mol.

Where can I buy 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane?

You can request a quote for 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane?

Yes, KEHONG BIO provides custom synthesis services for 1,1,1,3,5,5,7,7,7-Nonamethyl-3-(trimethylsiloxy)tetrasiloxane and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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