Description

4,7,10,13,16,19-Hexaoxaeicosanoic Acid, 20-Phenyl-, 1,1-Dimethylethyl Ester is a specialized polyether carboxylic acid derivative featuring a tert-butyl ester protecting group and a terminal phenyl moiety. This compound is valued as a key synthetic intermediate and functional building block in advanced organic synthesis and materials science. It is primarily utilized by researchers and manufacturers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise molecular architecture and solubility modification.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of complex drug molecules, particularly those requiring polyether-linked pharmacophores or solubilizing groups.
• Polymer Science & Material Modifier: Used in the development of specialty polymers, surfactants, and coatings where its amphiphilic structure can influence self-assembly, surface properties, and compatibility.
• Ligand & Chelator Synthesis: Acts as a precursor for creating polyether-based ligands and chelating agents used in catalysis and metal ion sequestration.
• Linker Chemistry: Employed in bioconjugation and prodrug strategies, where its acid group (after deprotection) and polyether chain facilitate attachment and enhance aqueous solubility.
• Research & Development: A valuable tool for academic and industrial R&D in organic chemistry for constructing complex molecular frameworks.

Basic Information

Item	Details
Product Name	4,7,10,13,16,19-Hexaoxaeicosanoic Acid, 20-Phenyl-, 1,1-Dimethylethyl Ester
CAS No.	2148296-00-6
Molecular Formula	C30H52O8
Molecular Weight	540.73 g/mol
Synonyms	tert-Butyl 20-phenyl-4,7,10,13,16,19-hexaoxaeicosanoate; 20-Phenyl-4,7,10,13,16,19-hexaoxaeicosanoic Acid tert-Butyl Ester; PEG6-Phenylacetic Acid tert-Butyl Ester; 2-[2-[2-[2-[2-[2-(2-Phenylethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic Acid tert-Butyl Ester; Hexaethylene Glycol Phenyl Ether tert-Butyl Acetate Ester; (PEG)6-Phenyl tert-Butyl Ester; Oligo(ethylene glycol) Phenyl Ether Acetic Acid tert-Butyl Ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications and test results are available upon request. We adhere to a cGMP-compliant quality management system for traceability and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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