Description

1-Oxaspiro[4.4]Nonan-2-One, 4-(Chloroacetyl)- (9Ci) is a specialized spirocyclic lactone derivative that serves as a high-value synthetic intermediate in advanced organic chemistry. Its unique fused-ring structure with a reactive chloroacetyl side chain makes it a critical building block 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 synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel spirocyclic drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Building block for developing new generation pesticides and herbicides with spirocyclic motifs for enhanced efficacy.
• Material Science Research: Used in the development of specialty polymers and advanced organic materials with specific structural properties.
• Chemical Biology Probes: Serves as a scaffold for creating molecular probes to study enzyme function and biological pathways.
• Academic & Contract Research: Essential reagent for methodological development in organic synthesis and catalysis research at universities and CROs.

Basic Information

Product Name	1-Oxaspiro[4.4]Nonan-2-One, 4-(Chloroacetyl)- (9Ci)
CAS No.	142183-74-2
Molecular Formula	C10H13ClO3
Molecular Weight	216.66 g/mol
Synonyms	4-(Chloroacetyl)-1-oxaspiro[4.4]nonan-2-one; 1-Oxaspiro[4.4]nonane-2-one, 4-(chloroacetyl)-; 4-Chloroacetyl-1-oxaspiro[4.4]nonan-2-one; Spiro[4.4]nonane-1,6-dione, 2-(chloroacetyl)- (related structure); Chloroacetyl spiro lactone
EINECS	Contact for details

Quality Control

Every batch of 1-Oxaspiro[4.4]Nonan-2-One, 4-(Chloroacetyl)- (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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