Description

5-Fluoro-1,2-Benzisoxazole is a versatile fluorinated heterocyclic compound that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the unique reactivity of the benzisoxazole scaffold combined with the fluorine atom, enabling precise molecular modifications. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, particularly for developing novel active ingredients and fine-tuning the properties of complex molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially those targeting the central nervous system (CNS).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where the fluorine atom enhances biological activity and stability.
• Material Science: Serves as a precursor for specialty chemicals, dyes, and advanced polymers requiring fluorinated aromatic components.
• Academic & R&D: A valuable reagent for methodological studies in organic synthesis, including fluorination reactions and heterocycle chemistry.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing high-value, complex organic molecules.

Basic Information

Product Name	5-Fluoro-1,2-Benzisoxazole
CAS No.	735294-25-4
Molecular Formula	C7H4FNO
Molecular Weight	137.11 g/mol
Synonyms	5-Fluorobenzisoxazole; 5-Fluoro-1,2-benzoxazole; 5-Fluoro-2,1-benzisoxazole; 1,2-Benzisoxazole, 5-fluoro-; 735294-25-4; 5-Fluorobenzo[d]isoxazole
EINECS	Contact for details

Quality Control

Our 5-Fluoro-1,2-Benzisoxazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation (IR, NMR), and impurity profiling. A Certificate of Analysis (COA) is supplied with each batch to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.