Description

5-Isoxazolecarboxaldehyde, 3-Methyl- (6Ci, 7Ci, 9Ci) is a versatile heterocyclic aldehyde building block, essential for advanced organic synthesis. Its unique isoxazole core functionalized with an aldehyde group makes it a critical intermediate for constructing complex molecules with high precision. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science Research: Serves as a building block for creating specialized polymers, ligands for catalysis, and organic electronic materials.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes, enzyme inhibitors, and bioconjugation reagents.
• Academic & Contract Research: A valuable reagent for methodological development in organic chemistry and for exploring new heterocyclic chemistry.

Basic Information

Product Name	5-Isoxazolecarboxaldehyde, 3-Methyl- (6Ci, 7Ci, 9Ci)
CAS No.	70753-36-5
Molecular Formula	C5H5NO2
Molecular Weight	111.10 g/mol
Synonyms	3-Methylisoxazole-5-carboxaldehyde; 3-Methyl-5-isoxazolecarboxaldehyde; 5-Formyl-3-methylisoxazole; 3-Methyl-1,2-oxazole-5-carbaldehyde; 3-Methyl-5-formylisoxazole; 5-Aldehyde-3-methylisoxazole; 3-Methyl-5-carboxaldehyde isoxazole
EINECS	Contact for details

Quality Control

We supply 5-Isoxazolecarboxaldehyde, 3-Methyl- in high-purity grades suitable for research and development. 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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat and incompatible materials.

Specification

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