Description

3-Pyridin-4-Yl-Isoxazole-5-Carboxylic Acid CAS NO 716362-05-9 is a high-purity heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. Its molecular architecture, featuring both pyridine and isoxazole rings, makes it a versatile intermediate for constructing complex pharmacophores. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Used in the creation of advanced herbicides and fungicides, leveraging its heterocyclic core for bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for chelating ligands in catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of organic electronic materials and functional polymers.
• Chemical Biology Probes: Utilized to develop molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A critical building block for custom synthesis houses serving the life sciences industry.

Basic Information

Product Name	3-Pyridin-4-Yl-Isoxazole-5-Carboxylic Acid
CAS No.	716362-05-9
Molecular Formula	C9H6N2O3
Molecular Weight	190.16 g/mol
Synonyms	4-(5-Carboxyisoxazol-3-yl)pyridine; 3-(Pyridin-4-yl)-1,2-oxazole-5-carboxylic acid; 3-(4-Pyridinyl)-5-isoxazolecarboxylic acid; 716362-05-9; 3-Pyridin-4-ylisoxazole-5-carboxylic acid; 5-Isoxazolecarboxylic acid, 3-(4-pyridinyl)-; AI3-63500
EINECS	Contact for details

Quality Control

Every batch of 3-Pyridin-4-Yl-Isoxazole-5-Carboxylic Acid is produced and tested under a strict quality management system. We guarantee high chemical purity and lot-to-lot consistency, which is critical for research reproducibility and scale-up processes. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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