Description

Peg4-tert-Butyl Acetate is a high-purity, functionalized polyethylene glycol derivative designed for advanced chemical synthesis. This compound is valued for its role as a versatile building block and protecting group in the production of complex organic molecules and specialty polymers. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and advanced materials sectors who require reliable, high-quality intermediates for their critical processes.

Application

• Pharmaceutical Intermediate: Used as a key reagent and protecting group in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Bioconjugation Linker: Serves as a spacer or linker molecule for attaching drugs, dyes, or other functional groups to proteins, peptides, or antibodies.
• Polymer Chemistry: Acts as a functional monomer or initiator for creating tailored polyethylene glycol (PEG) derivatives, block copolymers, and hydrogels.
• Surface Modification: Employed to modify the surface properties of materials, enhancing biocompatibility, solubility, or reducing non-specific binding.
• Chemical Biology Research: A valuable tool for probing biological systems and developing novel chemical probes and diagnostics.
• Specialty Chemical Synthesis: Utilized in the production of complex organic compounds where a protected, PEGylated functionality is required.

Basic Information

Product Name	Peg4-tert-Butyl Acetate
CAS No.	169751-72-8
Molecular Formula	C18H36O8
Molecular Weight	380.48 g/mol
Synonyms	2,5,8,11-Tetraoxatetradecan-14-oic acid, 13-methyl-13-(1-methylethoxy)-, 1,1-dimethylethyl ester; tert-Butyl 13-methyl-13-(1-methylethoxy)-2,5,8,11-tetraoxatetradecan-14-oate; Tetraethylene glycol mono-tert-butyl ether acetate; PEG4 tert-Butyl ether acetate; 3,6,9,12-Tetraoxapentadecanoic acid, 14-methyl-14-(1-methylethoxy)-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our Peg4-tert-Butyl Acetate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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