Description

3-(4-Fluoro-Phenyl)-Isoxazole-5-Carbaldehyde is a high-purity fluorinated isoxazole derivative, a crucial building block in advanced organic synthesis. Its value lies in its reactive aldehyde group and stable heterocyclic core, enabling the construction of complex molecular architectures. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides and fungicides, where the fluorinated phenyl and isoxazole moieties contribute to biological activity and metabolic stability.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers and liquid crystals with unique optical or electronic properties.
• Chemical Synthesis: Employed as a versatile scaffold in medicinal chemistry for library synthesis and structure-activity relationship (SAR) studies.
• Academic Research: Utilized in universities and R&D labs for methodological development in heterocyclic and fluoroorganic chemistry.

Basic Information

Product Name	3-(4-Fluoro-Phenyl)-Isoxazole-5-Carbaldehyde
CAS No.	251912-65-9
Molecular Formula	C10H6FNO2
Molecular Weight	191.16 g/mol
Synonyms	5-Formyl-3-(4-fluorophenyl)isoxazole; 3-(4-Fluorophenyl)-1,2-oxazole-5-carboxaldehyde; 4-Fluoro-3-(isoxazol-5-yl)benzaldehyde; 251912-65-9; 3-(p-Fluorophenyl)isoxazole-5-carboxaldehyde; 3-(4-Fluorophenyl)-5-formylisoxazole; Isoxazole-5-carboxaldehyde, 3-(4-fluorophenyl)-
EINECS	Contact for details

Quality Control

Our 3-(4-Fluoro-Phenyl)-Isoxazole-5-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with all shipments, detailing batch-specific results. Our quality commitment supports applications requiring high-purity intermediates for regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.