Description

(4-Chlorophenyl)Acetic Acid tert-Butyl Ester is a versatile and high-purity organic building block, essential for advanced chemical synthesis. Its primary value lies in serving as a protected intermediate, allowing for selective reactions in complex multi-step processes. This compound is critically needed by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A key protected synthon in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in palladium-catalyzed cross-coupling reactions, such as Suzuki or Heck reactions, for constructing complex biaryl structures.
• Peptide Mimetics & Prodrug Development: The tert-butyl ester group provides a stable protecting group for carboxylic acids in medicinal chemistry programs.
• Liquid Crystal & Polymer Research: Acts as a monomer or precursor in the development of specialty polymers and advanced materials.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Item	Detail
Product Name	(4-Chlorophenyl)Acetic Acid tert-Butyl Ester
CAS No.	33155-59-8
Molecular Formula	C12H15ClO2
Molecular Weight	226.70 g/mol
Synonyms	4-Chlorophenylacetic Acid tert-Butyl Ester; tert-Butyl (4-Chlorophenyl)acetate; 2-(4-Chlorophenyl)acetic Acid 1,1-Dimethylethyl Ester; p-Chlorophenylacetic Acid tert-Butyl Ester; (p-Chlorophenyl)acetic Acid t-Butyl Ester; Butylpak; (4-Chlorobenzene)acetic Acid 1,1-Dimethylethyl Ester
EINECS	Contact for details

Quality Control

Our (4-Chlorophenyl)Acetic Acid tert-Butyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) with detailed specifications are provided for each lot to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

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.