Description

5-Methylbenzo[D]Isoxazol-3(2H)-One is a high-purity heterocyclic organic compound, serving as a crucial synthetic intermediate and building block in advanced chemical manufacturing. Its value lies in its unique fused isoxazolone structure, which is integral to developing molecules with specific biological and material properties. This product is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting the central nervous system.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis: Serves as a versatile precursor for constructing complex fused-ring systems in academic and industrial R&D laboratories.
• Material Science: Investigated for the development of organic electronic materials, dyes, and photoactive compounds.
• Biochemical Probe Synthesis: Utilized in creating specialized molecules for biochemical and pharmacological studies.

Basic Information

Product Name	5-Methylbenzo[D]Isoxazol-3(2H)-One
CAS No.	65685-49-6
Molecular Formula	C8H7NO2
Molecular Weight	149.15 g/mol
Synonyms	5-Methyl-2,1-benzisoxazol-3(1H)-one; 5-Methyl-1,2-benzisoxazol-3-ol; 3-Hydroxy-5-methyl-1,2-benzisoxazole; 5-Methyl-3-hydroxy-1,2-benzisoxazole; 65685-49-6; 5-Methylbenzo[d]isoxazol-3-ol
EINECS	Contact for details

Quality Control

Our 5-Methylbenzo[D]Isoxazol-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) are provided with every shipment and are 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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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