Description

1,2-Benzisoxazol-3(2H)-One,7-Methoxy-(9Ci) is a specialized heterocyclic organic compound with the CAS number 51294-57-6, serving as a key synthetic intermediate and building block in advanced chemical synthesis. Its value lies in its unique molecular structure, which is integral to the development of complex molecules with specific biological or material properties. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity, reliable intermediates for their R&D and production workflows.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and other therapeutic agents.
• Agrochemical Research: Used in the development and production of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the creation of advanced polymers and organic electronic materials.
• Chemical Synthesis Reagent: Employed in academic and industrial laboratories for constructing complex benzisoxazole derivatives and other fused heterocycles.
• Biochemical Probe Development: Utilized as a scaffold in medicinal chemistry for creating molecular probes and inhibitors for biological target studies.

Basic Information

Product Name	1,2-Benzisoxazol-3(2H)-One,7-Methoxy-(9Ci)
CAS No.	51294-57-6
Molecular Formula	C8H7NO3
Molecular Weight	165.15 g/mol
Synonyms	7-Methoxy-1,2-benzisoxazol-3(2H)-one; 7-Methoxy-2,1-benzisoxazol-3-one; 3-Hydroxy-7-methoxy-1,2-benzisoxazole; 7-Methoxy-3-hydroxy-1,2-benzisoxazole; 7-Methoxy-2,1-benzoxazol-3-one; 51294-57-6; 7-Methoxybenzisoxazolone
EINECS	Contact for details

Quality Control

Our 1,2-Benzisoxazol-3(2H)-One,7-Methoxy-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment supports applications requiring high standards, from research to scale-up under cGMP guidelines where applicable.

Storage

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

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%
Heavy Metals	≤ 20 ppm

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