Description

1-Cyclopentene-1-Carboxylicacid,2-Fluoro-,Ethylester(9Ci) CAS NO 173277-81-1 is a specialized fluorinated cyclopentene derivative, serving as a high-value building block in advanced organic synthesis. Its core value lies in the strategic incorporation of fluorine and a functionalized ester group, enabling precise molecular modifications to enhance the properties of target compounds. This intermediate is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients with improved efficacy and metabolic stability.

Application

• Pharmaceutical Intermediate: A key synthon for the development of fluorinated drug candidates, particularly in central nervous system (CNS) and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the fluorine atom can increase biological activity and environmental persistence.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers and liquid crystals with unique optical or electronic properties.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, cycloadditions, and other transformations to construct complex, fluorinated heterocyclic systems.
• Chemical Biology Probes: Utilized in the design and synthesis of fluorinated probes and tags for studying biological mechanisms and enzyme interactions.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,2-Fluoro-,Ethylester(9Ci)
CAS No.	173277-81-1
Molecular Formula	C8H11FO2
Molecular Weight	158.17 g/mol
Synonyms	Ethyl 2-fluoro-1-cyclopentene-1-carboxylate; 2-Fluoro-1-cyclopentenecarboxylic acid ethyl ester; 1-Cyclopentene-1-carboxylic acid, 2-fluoro-, ethyl ester; Ethyl 2-fluorocyclopent-1-ene-1-carboxylate; 173277-81-1; 2-Fluorocyclopent-1-enecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylicacid,2-Fluoro-,Ethylester(9Ci) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and purity. Certificates of Analysis (COA) detailing all critical parameters are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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