Description

5-(4-Pyridyl)Isoxazole-3-Carboxylic Acid is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile precursor for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in the synthesis of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Ligand Synthesis: Acts as a precursor for chelating ligands in coordination chemistry and catalysis.
• Material Science: Employed in the creation of organic semiconductors, metal-organic frameworks (MOFs), and other functional materials.
• Chemical Biology: Utilized as a molecular probe or tag in bioconjugation and proteomics research.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and heterocycle synthesis.

Basic Information

Product Name	5-(4-Pyridyl)Isoxazole-3-Carboxylic Acid
CAS No.	893638-41-0
Molecular Formula	C9H6N2O3
Molecular Weight	190.16 g/mol
Synonyms	5-(Pyridin-4-yl)isoxazole-3-carboxylic acid; 5-(4-Pyridinyl)-3-isoxazolecarboxylic acid; 3-Isoxazolecarboxylic acid, 5-(4-pyridinyl)-; 5-(4-Pyridyl)-1,2-oxazole-3-carboxylic acid; 4-(3-Carboxyisoxazol-5-yl)pyridine
EINECS	Contact for details

Quality Control

Our 5-(4-Pyridyl)Isoxazole-3-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are provided and available upon request, supporting your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

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.