Description

Benzenepropanoic Acid, 4-(Ethoxycarbonyl)-, 1,1-Dimethylethyl Ester (9Ci) is a high-purity, protected ester derivative of a substituted benzenepropanoic acid, serving as a critical building block in advanced organic synthesis. This compound is valued for its role in constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research, where precise functional group manipulation is essential. It is primarily sought after by R&D chemists and process development scientists working on novel active ingredients and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides and plant growth regulators, leveraging its aromatic and ester functionalities.
• Peptide Mimetics & Prodrug Development: The tert-butyl ester group offers a valuable protecting strategy for carboxylic acids in the synthesis of peptide analogs and prodrug molecules designed for improved bioavailability.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or precursor for specialty polymers and liquid crystalline materials requiring specific aromatic ester components.
• Organic Synthesis Reagent: Employed in cross-coupling reactions, esterifications, and other transformations as a versatile building block in academic and industrial research laboratories.

Basic Information

Item	Detail
Product Name	Benzenepropanoic Acid, 4-(Ethoxycarbonyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	176208-28-9
Molecular Formula	C16H22O4
Molecular Weight	278.34 g/mol
Synonyms	4-(Ethoxycarbonyl)benzenepropanoic acid tert-butyl ester; tert-Butyl 3-[4-(ethoxycarbonyl)phenyl]propanoate; 3-(4-Ethoxycarbonylphenyl)propionic acid tert-butyl ester; Benzenepropanoic acid, 4-(ethoxycarbonyl)-, 1,1-dimethylethyl ester; 176208-28-9; 4-Carbethoxybenzenepropanoic acid t-butyl ester
EINECS	Contact for details

Quality Control

Every batch of our Benzenepropanoic Acid, 4-(Ethoxycarbonyl)-, 1,1-Dimethylethyl Ester (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for research and scale-up applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and organic solvents. For long-term storage, consider holding the material under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 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.