Description

4-Isoxazolecarboxylicacid,5-(3-Fluorophenyl)-,Ethylester(9Ci) is a high-value fluorinated isoxazole derivative, a specialized heterocyclic building block prized for its unique molecular architecture. This compound is critical for research and development in advanced organic synthesis, enabling the creation of novel molecules with targeted properties. It is primarily sought after by pharmaceutical, agrochemical, and advanced material scientists for applications in medicinal chemistry, crop protection, and functional material design.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used as a core scaffold in the synthesis of novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the fluorinated isoxazole moiety.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Biology Probe: Employed in the design and synthesis of molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences industry.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,5-(3-Fluorophenyl)-,Ethylester(9Ci)
CAS No.	887408-00-6
Molecular Formula	C12H10FNO3
Molecular Weight	235.21 g/mol
Synonyms	Ethyl 5-(3-fluorophenyl)isoxazole-4-carboxylate; 5-(3-Fluorophenyl)-4-isoxazolecarboxylic Acid Ethyl Ester; 4-Isoxazolecarboxylic acid, 5-(3-fluorophenyl)-, ethyl ester; 887408-00-6; Ethyl 5-(m-fluorophenyl)isoxazole-4-carboxylate; 5-(3-Fluorophenyl)-1,2-oxazole-4-carboxylic acid ethyl ester; AI3-52362
EINECS	Contact for details

Quality Control

Every batch of 4-Isoxazolecarboxylicacid,5-(3-Fluorophenyl)-,Ethylester(9Ci) is manufactured and tested under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency meet the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

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 incompatible materials such as strong bases and fluorides. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
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.