Description

Butanoic Acid, 4-Fluoro-2-Methyl-3-Oxo-, Ethyl Ester is a specialized fluorinated keto ester building block of significant interest in advanced organic synthesis. Its molecular structure, featuring both a fluorine atom and a reactive β-keto ester moiety, makes it a versatile precursor for constructing complex molecules. This compound is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of fluorinated drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides where the introduction of fluorine enhances biological activity and environmental stability.
• Advanced Material Precursor: Serves as a monomer or modifier in the development of specialty polymers and liquid crystals with tailored properties.
• Chemical Research & Development: Employed in academic and industrial R&D for methodology development, exploring new fluorination reactions, and creating compound libraries for screening.
• Fine Chemical Synthesis: Utilized in the multi-step synthesis of complex natural product analogs and other high-value specialty chemicals.

Basic Information

Product Name	Butanoic Acid, 4-Fluoro-2-Methyl-3-Oxo-, Ethyl Ester
CAS No.	685-84-7
Molecular Formula	C7H9FO3
Molecular Weight	160.14 g/mol
Synonyms	Ethyl 4-Fluoro-2-methyl-3-oxobutanoate; 4-Fluoro-2-methyl-3-oxobutanoic Acid Ethyl Ester; 3-Oxo-4-fluoro-2-methylbutyric Acid Ethyl Ester; Ethyl 4-Fluoroacetoacetate; 4-Fluoro-2-methylacetoacetic Acid Ethyl Ester; Ethyl 4-Fluoro-2-methyl-3-oxobutyrate; 4-Fluoro-2-methyl-3-oxobutyric Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our production of Butanoic Acid, 4-Fluoro-2-Methyl-3-Oxo-, Ethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive synthetic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR). A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and fluorides. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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