Description

5-Isoxazolecarboxylicacid,4-Formyl-3-Methyl-,Methylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its multifunctional molecular architecture, which provides a versatile scaffold for constructing complex molecules. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides and fungicides, leveraging the isoxazole ring's bioactivity.
• Material Science: Acts as a monomer or functionalizing agent in the creation of advanced polymers with specific optical or electronic properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic and medicinal chemistry.
• Chemical Library Synthesis: A valuable building block for generating diverse compound libraries used in high-throughput screening (HTS) for drug discovery.

Basic Information

Product Name	5-Isoxazolecarboxylicacid,4-Formyl-3-Methyl-,Methylester(9Ci)
CAS No.	161126-53-0
Molecular Formula	C7H7NO4
Molecular Weight	169.14 g/mol
Synonyms	Methyl 4-formyl-3-methyl-1,2-oxazole-5-carboxylate; 4-Formyl-3-methylisoxazole-5-carboxylic acid methyl ester; 3-Methyl-4-formylisoxazole-5-carboxylic acid methyl ester; 5-Carbomethoxy-3-methyl-4-formylisoxazole; 5-Isoxazolecarboxylic acid, 4-formyl-3-methyl-, methyl ester; Methyl 3-methyl-4-formylisoxazole-5-carboxylate; 161126-53-0
EINECS	Contact for details

Quality Control

Our production of 5-Isoxazolecarboxylicacid,4-Formyl-3-Methyl-,Methylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical research and development processes. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and IR spectroscopy. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage or after opening. Keep away from heat, sparks, and open flame.

Specification

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