Description

3',4',5',6'-Tetrahydro-4'-Hydroxy-3',4,5',6,6',7-Hexamethylspiro[2-Oxabicyclo[2.2.2]Octane-5,2'-[2H]Pyran]-3,8-Dione is a complex spirocyclic compound with a unique molecular architecture, making it a valuable synthetic intermediate and building block for advanced chemical research. Its intricate structure offers significant potential for the development of novel materials and active ingredients with specific functional properties. This compound is primarily sought by research institutions, pharmaceutical R&D laboratories, and specialty chemical manufacturers engaged in high-value synthesis and material science innovation.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for complex molecular targets.
• Organic Synthesis Building Block: Utilized in advanced organic chemistry for constructing complex spirocyclic and polycyclic frameworks in research and development.
• Material Science Research: Investigated for the development of specialty polymers, advanced resins, or functional materials with unique thermal or optical properties.
• Agrochemical R&D: Potential intermediate in the discovery and synthesis of new generation crop protection agents and plant growth regulators.
• Flavor & Fragrance Chemistry: May be used in the research and synthesis of novel aroma chemicals due to its complex, oxygenated structure.
• Academic & Industrial Research: A valuable compound for methodological studies in catalysis, asymmetric synthesis, and total synthesis projects.

Basic Information

Product Name	3',4',5',6'-Tetrahydro-4'-Hydroxy-3',4,5',6,6',7-Hexamethylspiro[2-Oxabicyclo[2.2.2]Octane-5,2'-[2H]Pyran]-3,8-Dione
CAS No.	21795-25-5
Molecular Formula	C18H26O5
Molecular Weight	322.40 g/mol
Synonyms	Spiro[2-oxabicyclo[2.2.2]octane-5,2'-[2H]pyran]-3,8-dione, 3',4',5',6'-tetrahydro-4'-hydroxy-3',4,5',6,6',7-hexamethyl-; 4'-Hydroxy-3',4,5',6,6',7-hexamethyl-3',4',5',6'-tetrahydrospiro[2-oxabicyclo[2.2.2]octane-5,2'-[2H]pyran]-3,8-dione; Hexamethylspirodiketone (common name); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 3',4',5',6'-Tetrahydro-4'-Hydroxy-3',4,5',6,6',7-Hexamethylspiro[2-Oxabicyclo[2.2.2]Octane-5,2'-[2H]Pyran]-3,8-Dione adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets precise customer specifications and research-grade standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and reliability for your critical R&D and synthesis work.

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 incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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