Description

7,9-Dimethylspiro[5.5]Undeca-1,8-Dien-3-One is a specialized spirocyclic ketone compound with a unique molecular architecture, making it a valuable intermediate in advanced organic synthesis. Its rigid, three-dimensional structure is of significant interest for the development of novel materials and complex bioactive molecules. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fragrance industries seeking to create innovative products with specific stereochemical properties.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its complex spirocyclic framework.
• Fragrance & Flavor Chemistry: Acts as a precursor for creating unique musk-like or woody odorants due to its specific molecular geometry.
• Material Science Research: Employed in the development of advanced organic materials, including liquid crystals and polymers with tailored properties.
• Organic Synthesis Reagent: A versatile intermediate for constructing complex natural product analogs and other structurally demanding molecules in R&D laboratories.

Basic Information

Product Name	7,9-Dimethylspiro[5.5]Undeca-1,8-Dien-3-One
CAS No.	83846-53-1
Molecular Formula	C13H18O
Molecular Weight	190.28 g/mol
Synonyms	7,9-Dimethylspiro[5.5]undeca-1,8-dien-3-one; Spiro[5.5]undeca-1,8-dien-3-one, 7,9-dimethyl-; 7,9-Dimethyl-1,8-spiro[5.5]undecadien-3-one
EINECS	Contact for details

Quality Control

Our 7,9-Dimethylspiro[5.5]Undeca-1,8-Dien-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

Storage

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

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.