Description

4-Oxa-6-Azaspiro[2.4]Heptan-5-One is a high-value spirocyclic building block and heterocyclic intermediate of significant interest in advanced organic synthesis. Its unique fused ring structure containing both oxygen and nitrogen atoms makes it a versatile precursor for constructing complex molecular architectures. This compound is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Serves as a core structure for creating novel herbicides, fungicides, and insecticides with potential for improved efficacy.
• Ligand and Catalyst Development: Used in the design of novel chelating ligands and organocatalysts for asymmetric synthesis.
• Material Science Research: Investigated as a monomer or additive for producing specialized polymers with tailored thermal or mechanical properties.
• Academic & R&D: Employed in methodological studies and as a model compound for exploring new synthetic routes to spiroheterocycles.

Basic Information

Product Name	4-Oxa-6-Azaspiro[2.4]Heptan-5-One
CAS No.	1238704-57-8
Molecular Formula	C5H7NO2
Molecular Weight	113.11 g/mol
Synonyms	4-Oxa-6-azaspiro[2.4]heptan-5-one; 6-Aza-4-oxaspiro[2.4]heptan-5-one; 1-Oxa-5-azaspiro[2.3]hexan-4-one (alternative numbering); Spiro[cyclopropane-1,2'-[1,3]oxazolidin]-5'-one; Oxazolidinone spirocyclopropane derivative
EINECS	Contact for details

Quality Control

Our 4-Oxa-6-Azaspiro[2.4]Heptan-5-One is produced under strict quality management protocols. We offer material suitable for research and development purposes, with typical purity levels ≥95% (by HPLC). Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. Specifications can be adjusted to meet custom project requirements, including higher purity grades for advanced applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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