Description

Spiro[5.5]Undeca-7,9-Dien-1-One, 9-Ethoxy-11-Methyl- (9Ci) is a specialized spirocyclic organic compound that serves as a valuable synthetic intermediate in advanced chemical synthesis. Its unique molecular architecture makes it a critical building block for constructing complex frameworks found in pharmaceuticals and functional materials. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced material science industries seeking to develop novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the research and development of new generation herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for developing specialty polymers, liquid crystals, and organic electronic materials due to its rigid spiro structure.
• Organic Synthesis & Catalysis: A versatile intermediate for constructing complex natural product analogs and as a ligand precursor in asymmetric catalysis.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing novel musk-like odorants and complex fragrance molecules.
• Academic & Contract Research: Supplied to universities and CROs for methodological development and discovery chemistry projects.

Basic Information

Product Name	Spiro[5.5]Undeca-7,9-Dien-1-One, 9-Ethoxy-11-Methyl- (9Ci)
CAS No.	342627-30-9
Molecular Formula	C14H20O2
Molecular Weight	220.31 g/mol
Synonyms	9-Ethoxy-11-methylspiro[5.5]undeca-7,9-dien-1-one; 9-Ethoxy-11-methylspiro[5.5]undeca-7,9-diene-1-one; Spiro[5.5]undeca-7,9-dien-1-one, 9-ethoxy-11-methyl-; 342627-30-9; 9-Ethoxy-11-methyl-1-oxaspiro[5.5]undeca-7,9-diene
EINECS	Contact for details

Quality Control

Our Spiro[5.5]Undeca-7,9-Dien-1-One, 9-Ethoxy-11-Methyl- (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific project requirements.

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 heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.