Description

5-Methyl-3-Pyridin-3-Yl-Isoxazole-4-Carboxylic Acid is a high-value heterocyclic building block that serves as a critical intermediate in advanced organic synthesis. Its unique fused isoxazole-pyridine structure makes it indispensable for medicinal chemistry research and the development of novel active pharmaceutical ingredients (APIs). This compound is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in creating new therapeutic agents, particularly in areas requiring complex molecular scaffolds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates targeting a range of therapeutic areas.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for new molecular entities.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new crop protection agents and pesticides.
• Ligand Synthesis: Utilized in the preparation of complex ligands for catalysis and material science applications.
• Chemical Biology Probes: Acts as a core structure for developing molecular probes to study biological pathways.
• Academic & Industrial R&D: Employed in research institutions and corporate R&D centers for exploratory synthetic chemistry.

Basic Information

Product Name	5-Methyl-3-Pyridin-3-Yl-Isoxazole-4-Carboxylic Acid
CAS No.	842958-54-7
Molecular Formula	C11H8N2O3
Molecular Weight	216.19 g/mol
Synonyms	5-Methyl-3-(pyridin-3-yl)isoxazole-4-carboxylic acid; 3-(3-Pyridinyl)-5-methyl-4-isoxazolecarboxylic Acid; 4-Isoxazolecarboxylic acid, 5-methyl-3-(3-pyridinyl)-; 5-Methyl-3-(3-pyridyl)-4-isoxazolecarboxylic acid; 842958-54-7; 5-Methyl-3-(3-pyridinyl)-1,2-oxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methyl-3-Pyridin-3-Yl-Isoxazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements of 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 area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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