Description

5,5-Dimethyl-Hexahydro-1'H-Spiro[1,3-Dioxane-2,2'-Pentalene]-5'-One is a high-purity, specialized spirocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique fused ring system makes it a valuable intermediate for constructing complex molecular architectures with precise stereochemistry. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those requiring spirocyclic or bridged ring systems.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides with novel modes of action.
• Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with unique thermal or mechanical properties.
• Academic & R&D: Essential reagent for methodological studies in organic chemistry, including catalysis and new bond-forming reactions.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing musky or woody aroma chemicals due to its complex hydrocarbon skeleton.

Basic Information

Product Name	5,5-Dimethyl-Hexahydro-1'H-Spiro[1,3-Dioxane-2,2'-Pentalene]-5'-One
CAS No.	92007-37-9
Molecular Formula	C13H20O3
Molecular Weight	224.30 g/mol
Synonyms	5,5-Dimethylhexahydrospiro[1,3-dioxane-2,2'-pentalen]-5'-one; Spiro[1,3-dioxane-2,2'-pentalene]-5'-one, 5,5-dimethylhexahydro-; 1'H-Spiro[1,3-dioxane-2,2'-pentalene]-5'-one, 5,5-dimethylhexahydro-; 92007-37-9; Spirocyclic dioxane pentalenone; Dimethyl spirodioxane pentalenone
EINECS	Contact for details

Quality Control

Every batch of 5,5-Dimethyl-Hexahydro-1'H-Spiro[1,3-Dioxane-2,2'-Pentalene]-5'-One is manufactured under strict quality management systems. We provide comprehensive analytical documentation to ensure traceability and consistency for your critical R&D and scale-up processes. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile is supplied with each shipment.

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, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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