Description

Spiro[5.5]Undec-2-Ene, 5-Ethyl-7-Methoxy-1-Methyl- (9Ci) is a specialized spirocyclic organic compound that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique bridged-ring structure with methoxy and ethyl substituents makes it a versatile precursor for developing complex molecules with specific stereochemistry and functional properties. This high-purity intermediate is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets, leveraging its complex spirocyclic core.
• Agrochemical Research: Used in developing new generation pesticides and herbicides, where its structural complexity can contribute to unique modes of action and selectivity.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials with tailored physical properties.
• Organic Synthesis & Catalysis: Employed as a challenging substrate in methodological development and as a ligand precursor in asymmetric catalysis due to its stereodefined architecture.
• Fragrance & Flavor Chemistry: Potential intermediate for synthesizing novel musk-like or woody odorants, exploiting the stability and volatility profile of the spiro[5.5]undecane skeleton.
• Academic & Contract Research: Essential reagent for universities and CROs (Contract Research Organizations) exploring new chemical spaces and reaction pathways in synthetic organic chemistry.

Basic Information

Product Name	Spiro[5.5]Undec-2-Ene, 5-Ethyl-7-Methoxy-1-Methyl- (9Ci)
CAS No.	678981-40-3
Molecular Formula	C15H26O
Molecular Weight	222.37 g/mol
Synonyms	5-Ethyl-7-methoxy-1-methylspiro[5.5]undec-2-ene; 1-Methyl-5-ethyl-7-methoxyspiro[5.5]undec-2-ene; Spiro[5.5]undec-2-ene, 5-ethyl-7-methoxy-1-methyl-; 678981-40-3; 5-Ethyl-7-methoxy-1-methyl-spiro[5.5]undec-2-ene; 1-Methyl-5-ethyl-7-methoxy-spiro[5.5]undec-2-ene
EINECS	Contact for details

Quality Control

Our Spiro[5.5]Undec-2-Ene, 5-Ethyl-7-Methoxy-1-Methyl- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to ISO 9001 quality management principles, and our analytical methods, including HPLC, GC, and NMR, are validated to provide reliable specifications for our global B2B clients.

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 the container tightly sealed when not in use to prevent contamination and potential degradation. For long-term storage, consider inert gas purging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
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.