Description

4-Oxa-7-Azaspiro[2.5]Octan-6-One is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. Its unique spirocyclic structure, incorporating both ether and lactam functionalities, makes it a valuable scaffold for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Serves as a versatile building block for creating novel herbicides, fungicides, and insecticides with potentially improved efficacy and environmental profiles.
• Chemical Biology Probe Development: Used to construct molecular probes for studying enzyme function and biological pathways due to its constrained, three-dimensional geometry.
• Material Science Research: Investigated as a monomer or precursor for synthesizing novel polymers with specific thermal or mechanical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in spirocycle formation and heterocyclic chemistry.

Basic Information

Product Name	4-Oxa-7-Azaspiro[2.5]Octan-6-One
CAS No.	1253790-21-4
Molecular Formula	C6H9NO2
Molecular Weight	127.14 g/mol
Synonyms	4-Oxa-7-azaspiro[2.5]octan-6-one; 6-Oxo-4-oxa-7-azaspiro[2.5]octane; 7-Azaspiro[2.5]octane-4,6-dione (tautomer); Spiro[oxirane-2,1'-pyrrolidin]-2'-one, tetrahydro-; Tetrahydrospiro[oxirane-2,1'-pyrrolidin]-2'-one; 1-Oxa-4-azaspiro[4.2]heptan-5-one (alternative numbering); CAS 1253790-21-4
EINECS	Contact for details

Quality Control

Every batch of 4-Oxa-7-Azaspiro[2.5]Octan-6-One is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our standard offering meets high-purity research-grade specifications, with Certificates of Analysis (COA) providing full traceability and detailed results for all critical parameters. We support custom synthesis projects with tailored purity grades and specifications to meet specific project requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%

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