Description

1-Azaspiro[3.4]Octan-2-One is a high-value, nitrogen-containing spirocyclic building block of significant interest in advanced organic synthesis. Its unique fused ring structure makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily utilized by research and development teams in the pharmaceutical and agrochemical industries for the discovery and development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key scaffold in medicinal chemistry for the synthesis of potential drug candidates targeting central nervous system (CNS) disorders, infectious diseases, and other therapeutic areas.
• Agrochemical Research: Serves as a building block for developing new generations of herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe Development: Used to create specialized molecular tools for studying enzyme function and biological pathways.
• Ligand Synthesis for Catalysis: Employed in the preparation of novel chiral ligands for asymmetric catalysis and transition metal complexes.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced functional materials.

Basic Information

Product Name	1-Azaspiro[3.4]Octan-2-One
CAS No.	178242-70-1
Molecular Formula	C7H11NO
Molecular Weight	125.17 g/mol
Synonyms	1-Azaspiro[3.4]octan-2-one; 2-Azaspiro[4.3]octan-3-one (alternative numbering); Spiro[cyclopentane-1,3'-pyrrolidin]-2'-one; 1-Aza-spiro[3.4]octan-2-one; 178242-70-1; Azaspirooctanone
EINECS	Contact for details

Quality Control

Every batch of 1-Azaspiro[3.4]Octan-2-One is produced 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 development applications. A detailed Certificate of Analysis (COA) including purity (HPLC), identity confirmation (NMR, IR), and impurity profile is available for each lot upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.