Description

1-Oxaspiro[4.5]Decan-2-One, 4-(Chloroacetyl)- (9Ci) is a specialized spirocyclic lactone derivative that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique molecular architecture, featuring both a spirocyclic framework and a reactive chloroacetyl moiety, makes it a versatile building block for constructing complex molecular scaffolds. 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: A key precursor in the synthesis of novel spirocyclic drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides with complex, bioactive ring systems.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and heterocyclic compounds.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing specialty polymers with unique thermal or mechanical properties.
• Chemical Biology Probe Development: Serves as a scaffold for creating molecular probes to study enzyme function and biological pathways.

Basic Information

Product Name	1-Oxaspiro[4.5]Decan-2-One, 4-(Chloroacetyl)- (9Ci)
CAS No.	137180-64-4
Molecular Formula	C11H15ClO3
Molecular Weight	230.69 g/mol
Synonyms	4-(Chloroacetyl)-1-oxaspiro[4.5]decan-2-one; 1-Oxaspiro[4.5]decan-2-one, 4-(chloroacetyl)-; 4-Chloroacetyl-1-oxaspiro[4.5]decan-2-one; 4-(2-Chloroacetyl)-1-oxaspiro[4.5]decan-2-one; Spiro[4.5]decan-2-one, 4-(chloroacetyl)-1-oxa-; 137180-64-4 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 1-Oxaspiro[4.5]Decan-2-One, 4-(Chloroacetyl)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment to support your R&D and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. 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%
Melting Point	Contact for details
Loss on Drying	≤ 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.