Description

Spiro[3,8-Dioxatricyclo[5.1.0.02,4]Octane-5,2-Oxirane] (9Ci) is a high-purity, specialized spirocyclic oxirane compound with the CAS number 198269-77-1. This advanced chemical building block is valued for its unique three-dimensional structure and reactive epoxide functionality, enabling the synthesis of complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical and advanced materials sectors for applications in medicinal chemistry, polymer science, and as a key intermediate in fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex, rigid spirocyclic frameworks.
• Advanced Polymer & Resin Synthesis: Utilized as a cross-linking agent or monomer to create polymers with enhanced thermal stability, chemical resistance, and specific mechanical properties.
• Fine Chemical & Specialty Synthesis: Acts as a versatile precursor in multi-step organic synthesis for producing high-value specialty chemicals, agrochemicals, and performance materials.
• Material Science Research: Employed in R&D for developing new epoxy-based coatings, adhesives, and composite materials with tailored performance characteristics.
• Ligand & Catalyst Development: Used in the design and synthesis of novel chiral ligands and organocatalysts for asymmetric synthesis applications.

Basic Information

Item	Detail
Product Name	Spiro[3,8-Dioxatricyclo[5.1.0.02,4]Octane-5,2-Oxirane] (9Ci)
CAS No.	198269-77-1
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	7-Oxabicyclo[4.1.0]heptane-3-spiro-2'-(3'-oxa-1',2'-epoxycyclopentane); 3,8-Dioxatricyclo[5.1.0.02,4]octane, 5-oxiranyl-; 5-Oxiranyl-3,8-dioxatricyclo[5.1.0.02,4]octane; Spiro(oxirane-2,2'-3,8-dioxatricyclo[5.1.0.02,4]octane); Spirocyclic oxirane derivative
EINECS	Contact for details

Quality Control

Our Spiro[3,8-Dioxatricyclo[5.1.0.02,4]Octane-5,2-Oxirane] (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This compound is moisture-sensitive; ensure containers are sealed under an inert atmosphere if specified for the grade.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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