Description

Spiro[4.5]Dec-9-En-7-One (9Ci) is a specialized spirocyclic organic compound with the CAS registry number 402857-87-8. This versatile chemical building block is valued for its unique fused ring structure, which provides a rigid, three-dimensional framework essential for advanced synthesis. It 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 complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral scaffold or precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, where its spiro structure can contribute to novel modes of action.
• Material Science: Acts as a monomer or cross-linking agent in the research of specialty polymers with specific thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other structurally demanding molecules.
• Flavor & Fragrance Chemistry: Investigated as a potential intermediate for synthesizing novel musk compounds or other complex aroma chemicals.

Basic Information

Product Name	Spiro[4.5]Dec-9-En-7-One (9Ci)
CAS No.	402857-87-8
Molecular Formula	C₁₀H₁₄O
Molecular Weight	150.22 g/mol
Synonyms	Spiro[4.5]dec-9-en-7-one; 7-Oxaspiro[4.5]dec-9-ene; 9-Oxaspiro[4.5]dec-7-ene; 402857-87-8; Spiro[4.5]dec-9-en-7-one; 7-Oxaspiro[4.5]dec-9-ene; 9-Oxaspiro[4.5]dec-7-ene
EINECS	Contact for details

Quality Control

Our Spiro[4.5]Dec-9-En-7-One (9Ci) is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for research and commercial-scale supply.

Storage

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