Description

9-Methyl-1,5-Dioxaspiro[5.5]Undecan-3-Ol is a specialized spirocyclic acetal alcohol that serves as a valuable chiral building block and intermediate in advanced organic synthesis. Its unique bridged structure provides a rigid framework for constructing complex molecules with precise stereochemistry. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fragrance industries seeking to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, particularly those requiring spirocyclic or bridged ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry impacts biological activity.
• Fragrance & Flavor Chemistry: Acts as a precursor for musk-like odorants and other specialty aroma chemicals due to its complex cyclic structure.
• Asymmetric Catalysis Ligand Precursor: The molecule's chiral centers make it a candidate for developing novel ligands used in asymmetric synthesis.
• Material Science Research: Investigated as a monomer or cross-linking agent for creating polymers with specific thermal or mechanical properties.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological studies for new synthetic transformations involving acetals and alcohols.

Basic Information

Product Name	9-Methyl-1,5-Dioxaspiro[5.5]Undecan-3-Ol
CAS No.	6413-28-1
Molecular Formula	C10H18O3
Molecular Weight	186.25 g/mol
Synonyms	9-Methyl-1,5-dioxaspiro[5.5]undecan-3-ol; 3-Hydroxy-9-methyl-1,5-dioxaspiro[5.5]undecane; 1,5-Dioxaspiro[5.5]undecan-3-ol, 9-methyl-; (3S,9R)-9-Methyl-1,5-dioxaspiro[5.5]undecan-3-ol (for specific enantiomer); Spirocyclic acetal alcohol
EINECS	Contact for details

Quality Control

Our 9-Methyl-1,5-Dioxaspiro[5.5]Undecan-3-Ol is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the rigorous standards required for R&D and scale-up processes in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Specific Rotation (if chiral)	Contact for details
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.