Description

[1-(Methylcarbonylthio)Undec-11-Yl]Tetra(Ethylene Glycol) is a specialized bifunctional chemical compound featuring a long alkyl chain terminated with a thioester group and a tetraethylene glycol moiety. This unique structure makes it a valuable intermediate for creating functionalized surfaces and polymers, particularly in applications requiring precise control over hydrophilicity and conjugation chemistry. It is primarily utilized by researchers and manufacturers in the life sciences, advanced materials, and specialty chemical sectors for developing drug delivery systems, diagnostic assays, and responsive materials.

Application

• Bioconjugation and Linker Chemistry: Acts as a heterobifunctional crosslinker for attaching biomolecules (e.g., peptides, antibodies) to surfaces, nanoparticles, or other polymers via its thioester and hydroxyl groups.
• Polymer Modification: Serves as a functional monomer or chain-transfer agent for synthesizing and modifying polymers with tailored hydrophilic properties and reactive sites.
• Surface Engineering: Used to create self-assembled monolayers (SAMs) on gold or other substrates, imparting controlled wettability and biofunctionalization capabilities for biosensors and diagnostic platforms.
• Nanoparticle Functionalization: A key reagent for coating and stabilizing nanoparticles, such as quantum dots or metallic nanoparticles, to improve biocompatibility and enable targeted delivery.
• Hydrogel Synthesis: Incorporated as a crosslinking or functional component in the development of hydrogels for biomedical applications, including tissue engineering scaffolds and controlled release matrices.
• Lipid and Vesicle Research: Used to synthesize functionalized lipids for constructing advanced liposomal delivery systems or model membranes.

Basic Information

Product Name	[1-(Methylcarbonylthio)Undec-11-Yl]Tetra(Ethylene Glycol)
CAS No.	130727-51-4
Molecular Formula	C20H38O5S
Molecular Weight	390.58 g/mol
Synonyms	11-(Methylcarbonylthio)undecyl tetraethylene glycol; 11-(Methylthiooxalyl)undecyl tetraethylene glycol ether; Tetraethylene glycol monoundecyl thioacetate; HS(CH2)11COOCH3-PEG4-OH; ω-Mercaptoundecyl tetraethylene glycol methyl thioester; Thioacetic acid S-[11-(tetraethylene glycol-1-yloxy)undecyl] ester; Heterobifunctional PEG thioester, C11-PEG4-SAc
EINECS	Contact for details

Quality Control

Our [1-(Methylcarbonylthio)Undec-11-Yl]Tetra(Ethylene Glycol) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing results from NMR, HPLC, and other relevant tests are provided to guarantee the material meets your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (e.g., nitrogen or argon) due to its hygroscopic and potentially oxidizable nature. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.