Description

4-Bromoisoxazole is a versatile brominated heterocyclic building block of significant importance in modern synthetic chemistry. Its core value lies in providing a reactive handle for cross-coupling reactions and serving as a key precursor for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to develop new active ingredients and functional molecules. Its defined structure and reactivity make it a critical intermediate for innovation in life sciences and specialty chemical applications.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly for creating isoxazole-containing bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the isoxazole ring's biological activity.
• Material Science Precursor: Acts as a monomer or functionalization agent in the development of advanced polymers and organic electronic materials.
• Cross-Coupling Reactions: The bromine atom is an excellent site for metal-catalyzed couplings (e.g., Suzuki, Stille, Negishi) to form new carbon-carbon bonds.
• Ligand and Catalyst Development: Utilized to synthesize specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D for exploring new heterocyclic chemistry and reaction methodologies.

Basic Information

Product Name	4-Bromoisoxazole
CAS No.	97925-43-4
Molecular Formula	C3H2BrNO
Molecular Weight	147.96 g/mol
Synonyms	4-Bromo-1,2-oxazole; Isoxazole, 4-bromo-; 4-Bromoisoxazole; 97925-43-4; 4-Bromo-oxazole; 4-Bromo-1-oxa-2-azacyclopenta-2,4-diene
EINECS	Contact for details

Quality Control

Our 4-Bromoisoxazole is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment. We are committed to meeting the stringent requirements of research and cGMP manufacturing environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere.

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%

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