Description

Benzenebutanoic Acid, 4-Fluoro-, Ethyl Ester is a valuable fluorinated aromatic ester building block, recognized by CAS number 1693-05-6. This compound is prized for its role in introducing both the 4-fluorophenyl and butanoate ethyl ester functionalities into more complex molecular architectures. It serves as a critical intermediate for researchers and manufacturers in the pharmaceutical and agrochemical sectors. The precise structure enables targeted synthesis, making it essential for developing new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a fluorinated aromatic moiety.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where the fluorine atom enhances biological activity and stability.
• Liquid Crystal & OLED Materials: Serves as a precursor in the development of fluorinated organic compounds for electronic display and lighting applications.
• Organic Synthesis & Research: A versatile reagent for academic and industrial R&D, used in coupling reactions, esterifications, and as a scaffold for library synthesis.
• Fine Chemical Production: Employed in the manufacture of dyes, flavors, fragrances, and other specialty chemicals requiring specific aromatic esters.

Basic Information

Product Name	Benzenebutanoic Acid, 4-Fluoro-, Ethyl Ester
CAS No.	1693-05-6
Molecular Formula	C₁₂H₁₅FO₂
Molecular Weight	210.25 g/mol
Synonyms	4-Fluorobenzenebutanoic Acid Ethyl Ester; Ethyl 4-(4-Fluorophenyl)butanoate; Ethyl 4-Fluorobenzenebutanoate; p-Fluorobenzenebutanoic Acid Ethyl Ester; γ-(4-Fluorophenyl)butyric Acid Ethyl Ester; 4-(4-Fluorophenyl)butyric Acid Ethyl Ester; NSC 404087; FCDO
EINECS	Contact for details

Quality Control

Our Benzenebutanoic Acid, 4-Fluoro-, Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing identity, assay, and impurity profiles. Our quality commitment supports compliance with cGMP and ISO standards for reliable integration into your sensitive synthesis processes.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥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.