Description

3-(4-Bromophenyl)Isoxazole-5-Carboxaldehyde CAS NO 863391-64-4 is a versatile and high-value brominated isoxazole derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both an aldehyde and a bromophenyl group, makes it an essential precursor for constructing complex heterocyclic frameworks and functionalized molecules. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders, anti-inflammatory agents, and kinase inhibitors.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole core.
• Material Science Precursor: Employed in the synthesis of organic ligands for catalysis, metal-organic frameworks (MOFs), and functional polymers.
• Chemical Biology Probe Development: Serves as a starting point for creating fluorescent tags, affinity probes, and other tools for biochemical research.
• Academic & Contract Research: Utilized in universities and CROs (Contract Research Organizations) for method development and exploring new synthetic pathways in heterocyclic chemistry.

Basic Information

Product Name	3-(4-Bromophenyl)Isoxazole-5-Carboxaldehyde
CAS No.	863391-64-4
Molecular Formula	C10H6BrNO2
Molecular Weight	252.07 g/mol
Synonyms	5-Formyl-3-(4-bromophenyl)isoxazole; 3-(p-Bromophenyl)-5-formylisoxazole; 3-(4-Bromophenyl)-1,2-oxazole-5-carbaldehyde; 4-Bromo-3-(5-formylisoxazol-3-yl)benzene; Isoxazole-5-carboxaldehyde, 3-(4-bromophenyl)-; 863391-64-4
EINECS	Contact for details

Quality Control

Every batch of 3-(4-Bromophenyl)Isoxazole-5-Carboxaldehyde is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency suitable for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage and to minimize headspace in opened containers.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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