Description

1,2-Benzisoxazole-3-Carboxylic Acid Ethyl Ester is a versatile heterocyclic building block and ester derivative of significant interest in advanced organic synthesis. Its core value lies in its utility as a key intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), specialty chemicals, and novel materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex heterocyclic compounds and fine chemicals.
• Material Science Research: Investigated for the development of specialty polymers and advanced functional materials.
• Chemical Research & Development: Employed in academic and industrial R&D for method development and exploring new chemical entities.

Basic Information

Product Name	1,2-Benzisoxazole-3-Carboxylic Acid Ethyl Ester
CAS No.	57764-49-5
Molecular Formula	C10H9NO3
Molecular Weight	191.18 g/mol
Synonyms	Ethyl 1,2-Benzisoxazole-3-carboxylate; Ethyl 2,1-Benzisoxazole-3-carboxylate; 3-Ethoxycarbonyl-1,2-benzisoxazole; 1,2-Benzisoxazole-3-carboxylic acid ethyl ester; Ethyl benzisoxazole-3-carboxylate; 3-Carbethoxy-1,2-benzisoxazole; 1,2-Benzoxazole-3-carboxylic acid, ethyl ester
EINECS	Contact for details

Quality Control

Our 1,2-Benzisoxazole-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame.

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.