Description

5-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-3-Carboxylic Acid is a high-purity, heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. This compound is valued for its unique molecular architecture, which combines isoxazole and pyrazole motifs, making it a versatile intermediate for constructing complex pharmacophores. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly in medicinal chemistry programs targeting kinase inhibitors and other small molecule therapeutics.
• Agrochemical Research: Serves as a crucial building block for synthesizing novel herbicides, fungicides, and insecticides with potential for improved efficacy and selectivity.
• Chemical Biology & Proteomics: Used in the design and synthesis of molecular probes, activity-based probes (ABPs), and other tools for studying biological systems and enzyme functions.
• Material Science: Acts as a precursor for synthesizing specialty polymers, ligands for metal-organic frameworks (MOFs), and other advanced functional materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for use in custom synthesis projects and scale-up processes.

Basic Information

Product Name	5-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-3-Carboxylic Acid
CAS No.	957313-90-5
Molecular Formula	C8H7N3O3
Molecular Weight	193.16 g/mol
Synonyms	5-(1-Methyl-1H-pyrazol-4-yl)-1,2-oxazole-3-carboxylic acid; 3-Isoxazolecarboxylic acid, 5-(1-methyl-1H-pyrazol-4-yl)-; 5-(1-Methyl-1H-pyrazol-4-yl)isoxazole-3-carboxylic acid; 957313-90-5; AI3-72625; ZINC000103259537; BCP31933; STK387558
EINECS	Contact for details

Quality Control

Our 5-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We adhere to cGMP principles where applicable to support our clients' regulatory and research 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). The product is stable under these conditions but should be kept away from strong acids and organic solvents. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.