Description

5-(4-Methylphenyl)Isoxazole-3-Carboxaldehyde is a versatile and high-purity heterocyclic building block essential for advanced organic synthesis. Its unique isoxazole core linked to a formyl group makes it a critical intermediate for constructing complex molecules with potential biological activity. This compound is particularly valuable for research and development chemists in the pharmaceutical and agrochemical industries seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and antimicrobials.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science: Serves as a building block for creating specialized polymers, liquid crystals, and organic electronic materials.
• Chemical Biology & Proteomics: Utilized as a reactive handle in bioconjugation chemistry and for the synthesis of molecular probes.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and discovery chemistry projects.
• Custom Synthesis: A starting material for the contract manufacturing of complex, bespoke organic molecules for various industrial applications.

Basic Information

Item	Details
Product Name	5-(4-Methylphenyl)Isoxazole-3-Carboxaldehyde
CAS No.	640292-02-0
Molecular Formula	C11H9NO2
Molecular Weight	187.20 g/mol
Synonyms	5-(p-Tolyl)isoxazole-3-carboxaldehyde; 3-Formyl-5-(4-methylphenyl)isoxazole; 5-(4-Methylphenyl)-1,2-oxazole-3-carbaldehyde; 5-(4-Methylphenyl)isoxazole-3-carbaldehyde; 640292-02-0; 5-(p-Methylphenyl)isoxazole-3-carboxaldehyde; 5-(4-Methylphenyl)-3-formylisoxazole
EINECS	Contact for details

Quality Control

Our 5-(4-Methylphenyl)Isoxazole-3-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for research and scale-up applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage or after opening.

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%
Residual Solvents (GC)	Meets ICH guidelines

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