Description

4-Isoxazolebutanoicacid,Methylester(9Ci) CAS NO 141679-50-7 is a high-purity organic ester derivative of isoxazole, serving as a versatile and critical building block in advanced chemical synthesis. This compound is valued for its unique heterocyclic structure, which imparts specific reactivity and functional properties essential for creating complex molecules. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key synthetic precursor for the research and development of new drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides and herbicides, where the isoxazole moiety contributes to biological activity.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and functional materials.
• Material Science Research: Potential monomer or additive in the development of specialty polymers with tailored properties.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	4-Isoxazolebutanoicacid,Methylester(9Ci)
CAS No.	141679-50-7
Molecular Formula	C8H11NO3
Molecular Weight	169.18 g/mol
Synonyms	Methyl 4-(isoxazol-5-yl)butanoate; 5-Isoxazolebutanoic acid, methyl ester; Methyl 5-isoxazolebutyrate; 4-(Isoxazol-5-yl)butyric acid methyl ester; 141679-50-7; Methyl 4-(1,2-oxazol-5-yl)butanoate; Butanoic acid, 4-(5-isoxazolyl)-, methyl ester
EINECS	Contact for details

Quality Control

Our 4-Isoxazolebutanoicacid,Methylester(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.