Description

2-Azaspiro[4.4]nonan-1-one is a specialized spirocyclic lactam compound with the CAS registry number 1004-51-9. This versatile heterocyclic building block is valued for its rigid, three-dimensional structure, which is crucial for modulating the physicochemical and biological properties of advanced molecules. It is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in drug discovery and the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key scaffold in the synthesis of central nervous system (CNS) active drugs and protease inhibitors.
• Agrochemical Synthesis: Used as a building block for creating novel herbicides and fungicides with enhanced activity.
• Chemical Biology & Proteomics: Serves as a core structure for developing enzyme inhibitors and molecular probes.
• Material Science: Potential monomer or additive for creating polymers with specific thermal or mechanical properties.
• Academic & Contract Research: Fundamental building block for methodological development and novel synthetic route exploration in organic chemistry.

Basic Information

Product Name	2-Azaspiro[4.4]nonan-1-one
CAS No.	1004-51-9
Molecular Formula	C8H13NO
Molecular Weight	139.19 g/mol
Synonyms	1-Azaspiro[4.4]nonan-2-one; 2-Azaspiro(4.4)nonan-1-one; 1-Oxo-2-azaspiro[4.4]nonane; 2-Azonia-1-oxaspiro[4.4]nonane; Spiro[cyclobutane-1,2'-piperidin]-3'-one; 2-Azaspiro[4.4]nonane-1-one; 2-Aza-1-oxaspiro[4.4]nonane
EINECS	Contact for details

Quality Control

Every batch of 2-Azaspiro[4.4]nonan-1-one is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and process chemistry. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile is supplied with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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