Description

3-Isoxazolecarboxylicacid,5-Ethyl-,Ethylester(7Ci,9Ci) is a specialized heterocyclic building block with significant utility in advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for creating new compounds with targeted biological activities.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole ring.
• Fine Chemical Production: Acts as a versatile building block for creating complex molecules used in dyes, pigments, and advanced material science applications.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and the exploration of new synthetic pathways.
• Chemical Library Development: A valuable component for generating diverse compound libraries used in high-throughput screening (HTS) for drug discovery.

Basic Information

Product Name	3-Isoxazolecarboxylicacid,5-Ethyl-,Ethylester(7Ci,9Ci)
CAS No.	90607-22-0
Molecular Formula	C7H9NO3
Molecular Weight	155.15 g/mol
Synonyms	Ethyl 5-ethyl-1,2-oxazole-3-carboxylate; 5-Ethyl-3-isoxazolecarboxylic Acid Ethyl Ester; Ethyl 5-ethylisoxazole-3-carboxylate; 3-Carbethoxy-5-ethylisoxazole; 5-Ethyl-3-carbethoxyisoxazole; 90607-22-0; 5-Ethylisoxazole-3-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 3-Isoxazolecarboxylicacid,5-Ethyl-,Ethylester(7Ci,9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee compliance with your research and production specifications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.