Description

Spiro[5.5]Undec-4-En-2-One, 4-Methoxy- (5Ci) is a specialized spirocyclic ketone derivative, identified by CAS number 860420-26-4, valued for its unique bridged ring structure that serves as a versatile synthetic building block. This compound is critical for advanced organic synthesis, enabling the construction of complex molecular architectures found in high-value materials and active ingredients. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and advanced material science industries for creating novel compounds with targeted properties.

Application

This spirocyclic ketone is a key intermediate in sophisticated synthetic pathways. Its primary applications include:

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly those requiring complex, three-dimensional scaffolds for enhanced biological activity.
• Agrochemical Synthesis: Serves as a precursor in developing new active ingredients for crop protection with potentially novel modes of action.
• Material Science Research: Employed in the creation of advanced organic materials, such as specialty polymers or liquid crystals, where its rigid spiro structure can impart desired physical properties.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, including catalysis and new reaction development.
• Fragrance & Flavor Chemistry: Potential use as a starting material for synthesizing unique musk-like or complex odorant molecules due to its polycyclic framework.

Basic Information

Product Name	Spiro[5.5]Undec-4-En-2-One, 4-Methoxy- (5Ci)
CAS No.	860420-26-4
Molecular Formula	C12H18O2
Molecular Weight	194.27 g/mol
Synonyms	4-Methoxyspiro[5.5]undec-4-en-2-one; 4-Methoxy-1-oxaspiro[2.6]nonan-7-one (related bicyclic representation); Spirocyclic ketone 860420-26-4; 4-Methoxyundec-4-en-2-one spiro[5.5] derivative
EINECS	Contact for details

Quality Control

Our Spiro[5.5]Undec-4-En-2-One, 4-Methoxy- (5Ci) is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), impurity profile, and physical characteristics is provided with every shipment to support your R&D and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during storage.

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%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.