Description

4-Isoxazolepropanoic acid, Methyl ester (9Ci) is a specialized organic compound belonging to the isoxazole class of heterocycles. This high-purity intermediate is valued for its unique chemical structure, which serves as a versatile building block in advanced synthetic chemistry. It is primarily utilized by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging the isoxazole moiety for biological activity.
• Chemical Research: Serves as a versatile building block in organic synthesis for constructing complex heterocyclic frameworks in academic and industrial R&D settings.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or ligands with specific electronic or binding properties.

Basic Information

Product Name	4-Isoxazolepropanoic acid, Methyl ester (9Ci)
CAS No.	141501-28-2
Molecular Formula	C7H9NO3
Molecular Weight	155.15 g/mol
Synonyms	Methyl 3-(isoxazol-4-yl)propanoate; 4-Isoxazolepropanoic acid methyl ester; Methyl 4-isoxazolepropionate; 3-(Isoxazol-4-yl)propionic acid methyl ester; 141501-28-2; Methyl 3-(1,2-oxazol-4-yl)propanoate; NSC 339243
EINECS	Contact for details

Quality Control

Our 4-Isoxazolepropanoic acid, Methyl ester (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP guidelines where applicable to support our clients in regulated development pathways.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.