Description

1-Oxaspiro[4.4]Non-3-En-2-One,3,4,7-Trimethyl-8-Methylene-(9Ci) is a high-purity, specialized spirocyclic lactone compound of significant interest in advanced organic synthesis. This compound matters as a versatile and valuable building block for creating complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce unique structural motifs into their target molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor or scaffold in the synthesis of novel drug candidates, especially those requiring complex spirocyclic or fused-ring systems.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where its unique structure can contribute to novel modes of action.
• Fine Chemical Production: Acts as a building block for synthesizing specialty chemicals, including fragrances, flavors, and advanced materials with specific optical or electronic properties.
• Academic & Industrial Research: Employed in methodological studies and catalysis research for developing new synthetic routes to complex organic molecules.
• Material Science: Potential monomer or precursor for synthesizing polymers with specialized thermal or mechanical properties due to its rigid spiro structure.

Basic Information

Item	Details
Product Name	1-Oxaspiro[4.4]Non-3-En-2-One,3,4,7-Trimethyl-8-Methylene-(9Ci)
CAS No.	543720-08-7
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	3,4,7-Trimethyl-8-methylidene-1-oxaspiro[4.4]non-3-en-2-one; 8-Methylene-3,4,7-trimethyl-1-oxaspiro[4.4]non-3-en-2-one; 1-Oxaspiro[4.4]non-3-ene-2-one, 3,4,7-trimethyl-8-methylene-; Trimethylmethylene Oxaspiro Nonenone; Spirocyclic Lactone Derivative; 543720-08-7; (9CI) Index Name
EINECS	Contact for details

Quality Control

Our 1-Oxaspiro[4.4]Non-3-En-2-One,3,4,7-Trimethyl-8-Methylene-(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC, and NMR for identity confirmation and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific tests is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining the material under 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%
Assay	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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