Description

2,1-Benzisoxazole,7-Methoxy-3-Methyl-(9Ci) CAS NO 53967-90-1 is a specialized heterocyclic organic compound belonging to the benzisoxazole class, serving as a critical building block in advanced chemical synthesis. Its unique molecular structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This high-purity intermediate 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 synthon in the research and development of new therapeutic agents, particularly in central nervous system (CNS) and anti-inflammatory drug candidates.
• Agrochemical Synthesis: Used in the creation of advanced pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Material Science Research: Acts as a precursor for organic electronic materials, including charge-transport layers and light-emitting components.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized colorants and functional dyes due to its fused aromatic system.

Basic Information

Product Name	2,1-Benzisoxazole,7-Methoxy-3-Methyl-(9Ci)
CAS No.	53967-90-1
Molecular Formula	C9H9NO2
Molecular Weight	163.17 g/mol
Synonyms	7-Methoxy-3-methyl-2,1-benzisoxazole; 3-Methyl-7-methoxy-2,1-benzisoxazole; 7-Methoxy-3-methylbenzo[d]isoxazole; 2,1-Benzisoxazole, 7-methoxy-3-methyl-; 53967-90-1; Methoxy-methylbenzisoxazole; Light-sensitive (store away from light)
EINECS	Contact for details

Quality Control

Our 2,1-Benzisoxazole,7-Methoxy-3-Methyl-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) are provided with every shipment, detailing all specifications and test results. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive; containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
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.