Description

1-Oxaspiro[2.5]Octan-4-One, 2-Acetyl- (9Ci) is a specialized spirocyclic organic compound featuring a fused oxirane (epoxide) ring, which serves as a versatile and high-value synthetic intermediate. Its unique spirocyclic and acetylated ketone structure makes it a critical building block for constructing complex molecular architectures in advanced chemical synthesis. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring spirocyclic or strained ring systems for biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where its reactive epoxide moiety can be leveraged.
• Advanced Material Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and resins with unique thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other sophisticated organic molecules.
• Flavor & Fragrance Chemistry: Potential intermediate for creating novel synthetic aroma chemicals with complex, spirocyclic backbones.

Basic Information

Product Name	1-Oxaspiro[2.5]Octan-4-One, 2-Acetyl- (9Ci)
CAS No.	156363-75-6
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	2-Acetyl-1-oxaspiro[2.5]octan-4-one; 1-Oxaspiro[2.5]octan-4-one, 2-acetyl-; 2-Acetyl-1-oxaspiro[2.5]octan-4-one (9CI); Spiro[oxirane-2,2'-bicyclo[3.2.1]octan]-4'-one, 3-acetyl-; 3-Acetylspiro[oxirane-2,2'-bicyclo[3.2.1]octan]-4'-one
EINECS	Contact for details

Quality Control

Every batch of 1-Oxaspiro[2.5]Octan-4-One, 2-Acetyl- (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. We provide comprehensive analytical data, including chromatographic purity and structural confirmation. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider maintaining the material under an inert atmosphere to preserve 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.