Description

4-Isoxazolecarboxylicacid,5-(4-Methylphenyl)-,Ethylester(9Ci) is a specialized organic compound belonging to the isoxazole class, valued for its heterocyclic structure which serves as a versatile synthetic intermediate. This compound is critical for research and development in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by pharmaceutical R&D teams and fine chemical manufacturers for applications in medicinal chemistry and the development of novel agrochemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory activity.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the synthesis of advanced polymers or liquid crystals with specific electronic or optical properties.
• Academic & Industrial R&D: Employed in methodological studies and as a reference standard in heterocyclic chemistry research within university and corporate laboratories.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,5-(4-Methylphenyl)-,Ethylester(9Ci)
CAS No.	76344-84-8
Molecular Formula	C13H13NO3
Molecular Weight	231.25 g/mol
Synonyms	Ethyl 5-(p-tolyl)isoxazole-4-carboxylate; 5-(4-Methylphenyl)-4-isoxazolecarboxylic Acid Ethyl Ester; Ethyl 5-(4-methylphenyl)-1,2-oxazole-4-carboxylate; 4-Carbethoxy-5-(4-methylphenyl)isoxazole; 76344-84-8; 5-(4-Methylphenyl)isoxazole-4-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 4-Isoxazolecarboxylicacid,5-(4-Methylphenyl)-,Ethylester(9Ci) is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development 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 a controlled room temperature (typically 15-25°C). Keep away from heat sources 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
Loss on Drying	≤ 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.