Description

4-(4-Chloro-Phenyl)-4-Oxo-Butyric Acid Ethyl Ester is a high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound serves as a critical building block for the development of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D 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 various active pharmaceutical ingredients (APIs), especially those with aryl ketone or butyric acid derivative backbones.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection chemicals where the chlorophenyl moiety is required.
• Fine Chemical Production: Serves as a versatile building block for creating complex organic molecules in custom synthesis and contract manufacturing.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including novel coupling and condensation reactions.

Basic Information

Product Name	4-(4-Chloro-Phenyl)-4-Oxo-Butyric Acid Ethyl Ester
CAS No.	53503-49-4
Molecular Formula	C12H13ClO3
Molecular Weight	240.68 g/mol
Synonyms	Ethyl 4-(4-Chlorophenyl)-4-oxobutanoate; 4-(p-Chlorophenyl)-4-oxobutyric Acid Ethyl Ester; 4-Oxo-4-(4-chlorophenyl)butanoic Acid Ethyl Ester; Ethyl 4-(4-Chlorobenzoyl)butyrate; 4-(4-Chlorobenzoyl)butyric Acid Ethyl Ester; Butanoic acid, 4-(4-chlorophenyl)-4-oxo-, ethyl ester; Ethyl γ-(p-Chlorobenzoyl)butyrate
EINECS	Contact for details

Quality Control

Our 4-(4-Chloro-Phenyl)-4-Oxo-Butyric Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material is suitable for demanding applications in GMP-intermediate and research-grade synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

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%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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