Description

1-Oxaspiro[4.5]Decan-6-One is a specialized spirocyclic lactone compound with the CAS registry number 129529-81-3. This unique molecular architecture makes it a valuable intermediate for synthesizing complex organic molecules, particularly in advanced pharmaceutical and fine chemical research. It is primarily sought after by R&D chemists and process development scientists working in medicinal chemistry, fragrance development, and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring spirocyclic frameworks.
• Fragrance & Flavor Synthesis: Used as a precursor for creating musky, amber-like odorants and complex flavoring agents due to its lactone structure.
• Agrochemical Research: Serves as an intermediate in the development of new pesticides and herbicides with specific biological activity.
• Material Science: Investigated as a monomer or cross-linking agent for producing specialized polymers with unique thermal or mechanical properties.
• Organic Synthesis Research: A versatile scaffold for methodological studies in ring-forming reactions, asymmetric synthesis, and catalysis.

Basic Information

Product Name	1-Oxaspiro[4.5]Decan-6-One
CAS No.	129529-81-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	6-Oxa-1-azaspiro[4.5]decan-7-one (related isomer); Spiro[4.5]decan-6-one, 1-oxa-; Tetrahydro-2H-spiro[benzofuran-3,1'-cyclopentane]-2-one; 1-Oxaspiro(4.5)decan-6-one; Cyclopentanone, 2-(3-oxobutyl)-, ethylene acetal (precursor); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1-Oxaspiro[4.5]Decan-6-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

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

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.