Description

5-Methyl-3-Pyridin-4-Yl-Isoxazole-4-Carboxylic Acid is a heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique fused isoxazole-pyridine structure imparts specific biological activity. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for the synthesis of complex target molecules.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its bioactive heterocyclic core.
• Chemical Synthesis Reagent: Serves as a versatile precursor for constructing more complex nitrogen- and oxygen-containing heterocycles in academic and industrial R&D.
• Ligand and Catalyst Development: The pyridine moiety can act as a coordinating site in the design of novel ligands for catalytic applications.
• Material Science Research: Potential use as an organic component in the development of advanced functional materials.

Basic Information

Product Name	5-Methyl-3-Pyridin-4-Yl-Isoxazole-4-Carboxylic Acid
CAS No.	90771-23-6
Molecular Formula	C10H8N2O3
Molecular Weight	204.18 g/mol
Synonyms	5-Methyl-3-(4-pyridinyl)-4-isoxazolecarboxylic acid; 3-(Pyridin-4-yl)-5-methylisoxazole-4-carboxylic acid; 4-Isoxazolecarboxylic acid, 5-methyl-3-(4-pyridinyl)-; 5-Methyl-3-(4-pyridyl)isoxazole-4-carboxylic acid; 90771-23-6; 5-Methyl-3-pyridin-4-yl-1,2-oxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methyl-3-Pyridin-4-Yl-Isoxazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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
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.