Description

3-Isoxazoleaceticacid,4,5-Dihydro-5-Oxo-,Methylester(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 R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating new compounds with targeted biological activities.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Serves as a core building block for novel herbicides, fungicides, and insecticides, leveraging its reactive isoxazole ring.
• Fine Chemical Production: Used in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.
• Academic & Institutional Research: Employed in universities and research institutes for methodological studies in heterocyclic and medicinal chemistry.
• Material Science Precursor: Potential use in the synthesis of organic ligands for catalysts or advanced functional materials.

Basic Information

Product Name	3-Isoxazoleaceticacid,4,5-Dihydro-5-Oxo-,Methylester(9Ci)
CAS No.	96530-57-3
Molecular Formula	C7H7NO4
Molecular Weight	169.14 g/mol
Synonyms	Methyl 4,5-dihydro-5-oxo-3-isoxazoleacetate; 3-Isoxazoleacetic acid, 4,5-dihydro-5-oxo-, methyl ester; Methyl (4,5-dihydro-5-oxoisoxazol-3-yl)acetate; 5-Oxo-4,5-dihydroisoxazole-3-acetic acid methyl ester; 3-(Methoxycarbonylmethyl)-4,5-dihydroisoxazol-5-one; 96530-57-3; 3-Carboxymethyl-5-isoxazolinone methyl ester
EINECS	Contact for details

Quality Control

Our 3-Isoxazoleaceticacid,4,5-Dihydro-5-Oxo-,Methylester(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. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee reliable performance in your sensitive synthesis workflows.

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 strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

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