Description

3-Oxaspiro[5.5]Undecan-8-One is a high-purity, specialized spirocyclic ketone building block of significant interest in advanced organic synthesis. Its unique bridged bicyclic structure containing both ketone and ether functionalities makes it a valuable precursor 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 development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Serves as a building block for novel herbicides, fungicides, and insecticides, leveraging its spirocyclic core for enhanced biological activity.
• Material Science Research: Used in the development of specialty polymers, ligands for catalysis, and other advanced functional materials.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, including ring-expansion reactions and the synthesis of complex natural product analogs.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of novel musk compounds and other specialty aroma chemicals.

Basic Information

Product Name	3-Oxaspiro[5.5]Undecan-8-One
CAS No.	2385721-54-8
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	3-Oxaspiro[5.5]undecan-8-one; 8-Oxaspiro[4.5]decan-3-one (isomeric); Spiro[5.5]undecane-3,8-dione, 3-oxa analog; 1,4-Dioxaspiro[4.5]decan-8-one (related); Oxaspiroketone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of 3-Oxaspiro[5.5]Undecan-8-One is manufactured and tested under strict quality management systems. 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) specifying identity, purity (typically by GC/HPLC), and impurity profile is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 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.