Description

Benzenepropanoic Acid, .Alpha.,.Beta.-Dibromo-4-Fluoro-, Ethyl Ester is a specialized fluorinated and brominated aromatic building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, which allows it to serve as a versatile precursor for constructing complex molecules with tailored properties. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those requiring fluorinated and brominated aromatic motifs for enhanced bioactivity or metabolic stability.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the introduction of fluorine and bromine atoms can improve efficacy and environmental profile.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and liquid crystals with specific optical or electronic properties.
• Organic Synthesis Building Block: Employed in various name reactions, such as Horner-Wadsworth-Emmons or Michael additions, to introduce complex, functionalized side chains into target molecules.
• Chemical Biology Probe Development: Utilized to create labeled or tagged compounds for studying biological pathways and protein interactions.

Basic Information

Product Name	Benzenepropanoic Acid, .Alpha.,.Beta.-Dibromo-4-Fluoro-, Ethyl Ester
CAS No.	42122-47-4
Molecular Formula	C₁₁H₁₁Br₂FO₂
Molecular Weight	354.01 g/mol
Synonyms	Ethyl 2,3-Dibromo-3-(4-fluorophenyl)propanoate; 4-Fluoro-α,β-dibromohydrocinnamic Acid Ethyl Ester; Ethyl 4-Fluoro-α,β-dibromohydrocinnamate; 2,3-Dibromo-3-(4-fluorophenyl)propionic Acid Ethyl Ester; (4-Fluorophenyl)-α,β-dibromopropionic Acid Ethyl Ester; α,β-Dibromo-4-fluorohydrocinnamic Acid Ethyl Ester; NSC 403824
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid, .Alpha.,.Beta.-Dibromo-4-Fluoro-, Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 acids, bases, and oxidizing agents. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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