Description

3-Isoxazolepropanoicacid,5-Methyl-,Methylester(9Ci) CAS NO 91945-49-2 is a specialized heterocyclic building block featuring an isoxazole ring system. This compound is valued for its role as a key synthetic intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of potential drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole moiety.
• Fine Chemical Synthesis: Acts as a versatile building block for creating complex molecules in custom synthesis and process development.
• Material Science Research: Investigated for incorporation into polymers or functional materials requiring specific heterocyclic components.
• Academic & Institutional R&D: Employed in chemical research for methodology development and exploring new reactions of isoxazole derivatives.

Basic Information

Product Name	3-Isoxazolepropanoicacid,5-Methyl-,Methylester(9Ci)
CAS No.	91945-49-2
Molecular Formula	C8H11NO3
Molecular Weight	169.18 g/mol
Synonyms	Methyl 3-(5-methylisoxazol-3-yl)propanoate; 3-(5-Methyl-3-isoxazolyl)propanoic Acid Methyl Ester; 5-Methyl-3-isoxazolepropanoic Acid Methyl Ester; Methyl 5-Methylisoxazole-3-propionate; 91945-49-2; 3-Isoxazolepropanoic acid, 5-methyl-, methyl ester (9CI)
EINECS	Contact for details

Quality Control

Our production of 3-Isoxazolepropanoicacid,5-Methyl-,Methylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Typical 98-99%)
Water Content (KF)	≤ 0.5%

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