Description

2-Isoxazolidinecarboxylic acid, Ethyl ester (9Ci) is a versatile heterocyclic building block and synthetic intermediate. This compound matters for its role in the synthesis of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. Industries that need it include pharmaceutical R&D, agrochemical development, and academic research laboratories focused on medicinal chemistry and organic synthesis.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those containing the isoxazolidine pharmacophore.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides.
• Fine Chemical Production: Serves as a precursor for specialty chemicals and advanced materials.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic chemistry and heterocyclic compound synthesis.
• Peptidomimetics: Utilized in the design and synthesis of peptide analogs and conformationally restricted scaffolds.

Basic Information

Product Name	2-Isoxazolidinecarboxylic acid, Ethyl ester (9Ci)
CAS No.	54020-55-2
Molecular Formula	C6H11NO3
Molecular Weight	145.16 g/mol
Synonyms	Ethyl 2-Isoxazolidinecarboxylate; Ethyl 1,2-Oxazolidine-2-carboxylate; 2-Carbethoxyisoxazolidine; 2-Ethoxycarbonylisoxazolidine; Isoxazolidine-2-carboxylic acid ethyl ester; 54020-55-2; 2-Isoxazolidinecarboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our 2-Isoxazolidinecarboxylic acid, Ethyl ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed in a dry and well-ventilated place.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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