Description

Ethyl 5-(2,3-Difluorophenyl)-5-Oxovalerate is a high-purity, specialized organic intermediate featuring a difluorophenyl ketone moiety and an ester functional group. This compound is valued for its role as a critical building block in the synthesis of complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is essential for research and development chemists and process engineers working on novel active ingredients, offering a versatile scaffold for further chemical modifications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and insecticides, where the difluorophenyl group can enhance biological activity and stability.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development, catalysis studies, and the creation of novel chemical libraries.
• Fine Chemical Production: Utilized in custom synthesis and contract manufacturing for producing high-value, low-volume specialty chemicals.

Basic Information

Item	Details
Product Name	Ethyl 5-(2,3-Difluorophenyl)-5-Oxovalerate
CAS No.	898752-98-2
Molecular Formula	C13H14F2O3
Molecular Weight	256.25 g/mol
Synonyms	Ethyl 5-(2,3-Difluorobenzoyl)valerate; 5-(2,3-Difluorophenyl)-5-oxopentanoic Acid Ethyl Ester; Ethyl 5-Oxo-5-(2,3-difluorophenyl)pentanoate; 2,3-Difluoro-ω-oxobenzenevaleric Acid Ethyl Ester; Ethyl 5-(2,3-Difluorobenzoyl)pentanoate; 898752-98-2; Ethyl 4-(2,3-Difluorobenzoyl)butyrate (common misnomer)
EINECS	Contact for details

Quality Control

Our Ethyl 5-(2,3-Difluorophenyl)-5-Oxovalerate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the stringent requirements for advanced synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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