Description

Ethyl 5-(1H-Pyrazol-3-Yl)Isoxazole-3-Carboxylate is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound is valued for its bifunctional structure, which incorporates both pyrazole and isoxazole pharmacophores, making it a versatile intermediate for constructing complex molecular architectures. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic core.
• Chemical Biology & Probe Development: Serves as a scaffold for creating molecular probes to study biological pathways and enzyme functions.
• Material Science: Can be utilized in the synthesis of specialized polymers or ligands for catalytic systems.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations providing custom synthesis and process development services.

Basic Information

Product Name	Ethyl 5-(1H-Pyrazol-3-Yl)Isoxazole-3-Carboxylate
CAS No.	264226-03-1
Molecular Formula	C9H9N3O3
Molecular Weight	207.19 g/mol
Synonyms	Ethyl 5-(1H-pyrazol-3-yl)isoxazole-3-carboxylate; 3-Isoxazolecarboxylic acid, 5-(1H-pyrazol-3-yl)-, ethyl ester; 5-(1H-Pyrazol-3-yl)isoxazole-3-carboxylic acid ethyl ester; Ethyl 5-(1H-pyrazol-5-yl)isoxazole-3-carboxylate; 264226-03-1; 5-(1H-Pyrazol-3-yl)-3-isoxazolecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 5-(1H-Pyrazol-3-Yl)Isoxazole-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%

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