Description

4-Isoxazolecarboxamide,n-(4-Ethylphenyl)-5-Methyl-(9Ci) CAS NO 724436-18-4 is a specialized heterocyclic organic compound belonging to the isoxazole carboxamide class. This high-purity intermediate is critical for advanced research and development in pharmaceutical chemistry, particularly in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of new drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, or insecticides, leveraging the biological activity of the isoxazole moiety.
• Material Science Precursor: Serves as a monomer or functional additive in the research of advanced polymers and specialty materials.
• Biochemical Tool Compound: Employed in life sciences research as a probe or inhibitor to study specific enzymatic pathways or biological mechanisms.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for client projects.

Basic Information

Item	Details
Product Name	4-Isoxazolecarboxamide,n-(4-Ethylphenyl)-5-Methyl-(9Ci)
CAS No.	724436-18-4
Molecular Formula	C13H14N2O2
Molecular Weight	230.26 g/mol
Synonyms	N-(4-Ethylphenyl)-5-methyl-1,2-oxazole-4-carboxamide; 5-Methyl-N-(4-ethylphenyl)isoxazole-4-carboxamide; 4-Isoxazolecarboxamide, N-(4-ethylphenyl)-5-methyl- (9CI); 724436-18-4; N-(4-Ethylphenyl)-5-methylisoxazole-4-carboxamide; 5-Methyl-N-(p-ethylphenyl)isoxazole-4-carboxamide
EINECS	Contact for details

Quality Control

Every batch of 4-Isoxazolecarboxamide,n-(4-Ethylphenyl)-5-Methyl-(9Ci) is manufactured under strict quality management systems. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile via techniques like HPLC, NMR, and mass spectrometry is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to ensure stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.