Description

Spiro[Cyclohexane-1,1'-Cyclopentane]-2,2'-Dione is a specialized spirocyclic diketone compound with the CAS registry number 36803-48-2. This unique bicyclic structure makes it a valuable and versatile chemical building block for advanced organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, three-dimensional spirocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators where the spiro structure can impart specific biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other fine chemicals via reactions at the diketone functionality.
• Ligand and Catalyst Development: Utilized as a scaffold for creating novel chiral ligands and organocatalysts for asymmetric synthesis.

Basic Information

Product Name	Spiro[Cyclohexane-1,1'-Cyclopentane]-2,2'-Dione
CAS No.	36803-48-2
Molecular Formula	C11H16O2
Molecular Weight	180.24 g/mol
Synonyms	Spiro[5.5]undecane-2,8-dione; 2,8-Dioxaspiro[5.5]undecane; 1,1'-Spirobi[cyclopentane]-2,2'-dione; Spiro(cyclopentane-1,1'-cyclohexane)-2,2'-dione; Spirocyclic C11 Diketone; Bicyclo[5.5]undecane-2,8-dione
EINECS	Contact for details

Quality Control

Our Spiro[Cyclohexane-1,1'-Cyclopentane]-2,2'-Dione is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

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	≤ 20 ppm

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