Description

7,9-Dimethylspiro[5.5]Undecan-3-One is a high-purity, specialized spirocyclic ketone compound valued for its unique structural framework. This molecule serves as a critical advanced intermediate and building block in sophisticated organic synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical and fine chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of complex drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Fragrance & Flavor Chemistry: Used in the development of novel musk-like odorants and complex aroma molecules due to its spirocyclic structure.
• Agrochemical Synthesis: Serves as a precursor in the creation of advanced, high-efficacy active ingredients for crop protection products.
• Material Science Research: Employed in the synthesis of specialty polymers and organic electronic materials requiring rigid, three-dimensional molecular scaffolds.
• Catalyst & Ligand Development: Utilized as a backbone for constructing novel chiral ligands and organocatalysts for asymmetric synthesis.
• Academic & Industrial R&D: A valuable reference standard and starting material for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	7,9-Dimethylspiro[5.5]Undecan-3-One
CAS No.	83863-64-3
Molecular Formula	C13H22O
Molecular Weight	194.31 g/mol
Synonyms	7,9-Dimethylspiro[5.5]undecan-3-one; Spiro[5.5]undecan-3-one, 7,9-dimethyl-; 3-Oxo-7,9-dimethylspiro[5.5]undecane; 7,9-Dimethyl-1-oxaspiro[5.5]undecan-3-one (related); DMSPU; Spirocyclic C13 ketone
EINECS	Contact for details

Quality Control

Every batch of 7,9-Dimethylspiro[5.5]Undecan-3-One is manufactured under strict quality management systems. Our products undergo rigorous quality testing including HPLC, GC, and NMR analysis to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request, supporting compliance with cGMP and ISO 9001 standards for research and commercial use.

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 sources and incompatible materials. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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