Description

Ethyl 5-Cyclopropylisoxazole-3-Carboxylate is a high-purity organic compound serving as a versatile and critical building block in advanced chemical synthesis. Its unique isoxazole-cyclopropyl structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This product is essential for research and development chemists and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of new drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the biological activity of the isoxazole moiety.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential use in synthesizing specialized ligands, polymers, or functional materials with specific electronic or photophysical properties.

Basic Information

Product Name	Ethyl 5-Cyclopropylisoxazole-3-Carboxylate
CAS No.	21080-81-9
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	Ethyl 5-cyclopropyl-1,2-oxazole-3-carboxylate; 5-Cyclopropyl-3-isoxazolecarboxylic Acid Ethyl Ester; 3-Carbethoxy-5-cyclopropylisoxazole; Ethyl 5-cyclopropylisoxazole-3-carboxylate; 21080-81-9; 5-Cyclopropylisoxazole-3-carboxylic acid ethyl ester; AI3-28462; SCHEMBL218077
EINECS	Contact for details

Quality Control

Our Ethyl 5-Cyclopropylisoxazole-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high standards, including cGMP intermediates for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. 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)	Retention time matches 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.