Description

3-Methyl-4,5-Dihydroisoxazole-5-Carboxylic Acid is a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its unique fused isoxazoline-carboxylic acid structure makes it a valuable precursor for constructing complex molecules, particularly in pharmaceutical and agrochemical research. This compound is primarily sought after by R&D chemists and process development scientists working on novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chiral ligands or organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the synthesis of specialized polymers or functional materials with tailored properties.
• Chemical Biology Probes: Utilized as a building block for creating molecular probes to study enzyme function or biological pathways.

Basic Information

Product Name	3-Methyl-4,5-Dihydroisoxazole-5-Carboxylic Acid
CAS No.	473700-52-6
Molecular Formula	C6H7NO3
Molecular Weight	141.12 g/mol
Synonyms	5-Isoxazolecarboxylic acid, 4,5-dihydro-3-methyl-; 3-Methyl-4,5-dihydroisoxazole-5-carboxylic acid; 3-Methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid; 5-Carboxy-3-methyl-4,5-dihydroisoxazole; 3-Methyl-δ2-isoxazoline-5-carboxylic acid
EINECS	Contact for details

Quality Control

We supply 3-Methyl-4,5-Dihydroisoxazole-5-Carboxylic Acid in high-purity grades suitable for research and commercial synthesis. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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