Description

Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Dioxolane] (9Ci) is a specialized spirocyclic organic compound, identified by CAS NO 172-67-8, valued for its unique fused bicyclic and dioxolane structure. This compound serves as a versatile and high-value chemical building block and chiral auxiliary in advanced synthetic chemistry. It is primarily needed by R&D and production teams in the pharmaceutical and fine chemical industries for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules, particularly those requiring rigid, three-dimensional scaffolds.
• Chiral Synthesis: Utilized as a chiral auxiliary or precursor for asymmetric synthesis, enabling the production of enantiomerically pure compounds.
• Ligand and Catalyst Development: Serves as a core structure for designing novel ligands and organocatalysts used in transition metal catalysis and organic transformations.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or mechanical properties due to its strained bicyclic system.
• Agrochemical Synthesis: Intermediate in the research and development of new crop protection agents with enhanced efficacy.
• Flavor and Fragrance Chemistry: Potential precursor for synthesizing unique odorants and flavor compounds with complex molecular architectures.

Basic Information

Product Name	Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Dioxolane] (9Ci)
CAS No.	172-67-8
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	2,2-Spirobi[1,3]dioxolane-4,4'-bicyclo[2.2.1]heptane; 1,4-Dioxaspiro[4.4]nonane-6,7-dicarboxylic acid, bicyclo[2.2.1]heptane-2,2-diyl ester (related); Spiro(bicyclo[2.2.1]heptane-2,2'-[1,3]dioxolane); Bicyclo[2.2.1]heptane-2,2-diyl 1,3-dioxolane; 172-67-8; Spirocyclic dioxolane norbornane derivative.
EINECS	Contact for details

Quality Control

Our Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Dioxolane] (9Ci) is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay (by GC/HPLC), identity (IR/NMR), and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for research and cGMP manufacturing.

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 heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Single impurity ≤ 0.5%; Total impurities ≤ 1.5%

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