Description

2-Oxetanecarboxylicacid,4-Oxo-,Ethylester(9Ci) CAS NO 150196-71-7 is a specialized β-lactone derivative, specifically the ethyl ester of 4-oxo-2-oxetanecarboxylic acid, valued for its highly reactive four-membered ring structure. This compound serves as a critical advanced pharmaceutical intermediate (API) and a versatile synthetic building block for constructing complex molecular architectures. It is essential for research and production in organic synthesis, particularly for the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of β-lactam antibiotics and other pharmacologically active molecules containing the oxetanone moiety.
• Organic Synthesis Building Block: Utilized in ring-opening polymerization (ROP) reactions and as a scaffold for creating heterocyclic compounds and complex natural product analogs.
• Agrochemical Research: Intermediate in the development of new herbicides, fungicides, and plant growth regulators with novel modes of action.
• Material Science: Used in the research of biodegradable polymers and specialty polymers with tailored thermal and mechanical properties.
• Chemical Biology Probes: Serves as a reactive handle for labeling and studying biological systems due to its specific reactivity with nucleophiles.
• Academic & Industrial R&D: Fundamental reagent for methodological development in synthetic organic chemistry and catalysis studies.

Basic Information

Product Name	2-Oxetanecarboxylicacid,4-Oxo-,Ethylester(9Ci)
CAS No.	150196-71-7
Molecular Formula	C6H8O4
Molecular Weight	144.13 g/mol
Synonyms	4-Oxooxetane-2-carboxylic acid ethyl ester; Ethyl 4-oxooxetane-2-carboxylate; Ethyl 4-oxo-2-oxetanecarboxylate; 2-Oxetanecarboxylic acid, 4-oxo-, ethyl ester; β-Propiolactone-α-carboxylic acid, ethyl ester; Oxetan-4-one-2-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Every batch of 2-Oxetanecarboxylicacid,4-Oxo-,Ethylester(9Ci) is manufactured under controlled conditions and undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency. Our quality assurance protocol includes advanced chromatographic and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality management systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, containers should be amber glass or opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	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.