Description

4-Isoxazolecarboxylicacid,2,3-Dihydro-3-Oxo-,Ethylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile precursor for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions and industrial R&D departments focused on medicinal chemistry, crop protection, and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting neurological and anti-inflammatory pathways.
• Agrochemical Synthesis: Serves as a core building block in the creation of novel herbicides, fungicides, and insecticides with enhanced efficacy.
• Organic Synthesis Reagent: Used in cyclization and condensation reactions to construct complex isoxazole and fused heterocyclic systems.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced functional materials.
• Academic & Contract Research: Employed in university laboratories and CROs (Contract Research Organizations) for methodological studies and discovery chemistry.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,2,3-Dihydro-3-Oxo-,Ethylester(9Ci)
CAS No.	753486-90-7
Molecular Formula	C6H7NO4
Molecular Weight	157.12 g/mol
Synonyms	Ethyl 2,3-dihydro-3-oxo-4-isoxazolecarboxylate; 4-Isoxazolecarboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester; Ethyl 3-oxo-2,3-dihydroisoxazole-4-carboxylate; 3-Oxo-2,3-dihydroisoxazole-4-carboxylic acid ethyl ester; 2,3-Dihydro-3-oxo-4-isoxazolecarboxylic acid ethyl ester; SCHEMBL2188301
EINECS	Contact for details

Quality Control

Our production of 4-Isoxazolecarboxylicacid,2,3-Dihydro-3-Oxo-,Ethylester(9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for critical R&D and scale-up processes. Each lot undergoes comprehensive analytical characterization. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request 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 controlled room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.