Description

β-Oxo-4-Chloro-Benzenepropanoic Acid 1,1-Dimethylethyl Ester is a high-purity, protected carboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic synthesis. Its value lies in providing a versatile and reactive building block for constructing complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for research chemists and process development scientists working on active pharmaceutical ingredients (APIs), fine chemicals, and novel crop protection agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those containing chlorinated aromatic and β-keto ester functionalities.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and insecticides.
• Fine Chemical Production: Serves as a versatile building block for creating specialty chemicals, dyes, and pigments.
• Academic & Industrial R&D: A valuable reagent for method development and exploring new synthetic pathways in organic chemistry laboratories.
• Peptide Mimetics & Bioactive Compounds: The tert-butyl ester group offers protection for the carboxylic acid, making it useful in the synthesis of peptide analogs and other bioactive structures.

Basic Information

Product Name	β-Oxo-4-Chloro-Benzenepropanoic Acid 1,1-Dimethylethyl Ester
CAS No.	106970-98-3
Molecular Formula	C13H15ClO3
Molecular Weight	254.71 g/mol
Synonyms	4-Chloro-β-oxobenzenepropanoic acid tert-butyl ester; 3-(4-Chlorophenyl)-3-oxopropanoic acid tert-butyl ester; tert-Butyl 3-(4-chlorophenyl)-3-oxopropanoate; 3-Oxo-3-(4-chlorophenyl)propanoic acid tert-butyl ester; 4-Chloro-β-ketobenzenepropanoic acid tert-butyl ester; 1,1-Dimethylethyl 3-(4-chlorophenyl)-3-oxopropanoate
EINECS	Contact for details

Quality Control

Our β-Oxo-4-Chloro-Benzenepropanoic Acid 1,1-Dimethylethyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of GMP and ISO standards for advanced chemical intermediates.

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 strong acids, bases, and oxidizing agents. The compound may be hygroscopic; ensure containers are sealed tightly after use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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