Description

Spiro[Furo[3,4-D]-1,3-Dioxole-4(3Ah),2-Oxetane] (9Ci) is a high-purity, specialized spirocyclic organic compound identified by CAS NO 68051-81-0. This advanced chemical building block is valued for its unique fused-ring structure, which provides a rigid, three-dimensional framework essential for developing novel materials and active pharmaceutical ingredients (APIs). It is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications in asymmetric synthesis, ligand design, and the creation of complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor or scaffold in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where its spiro structure can contribute to unique biological activity and stability.
• Advanced Material Precursor: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and liquid crystals with specific optical or mechanical properties.
• Catalyst & Ligand Development: Employed in organometallic chemistry to construct sophisticated, sterically hindered ligands for asymmetric catalysis.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic synthesis, including ring-opening and annulation reactions.
• Fine Chemical Manufacturing: Utilized in the custom synthesis of complex, high-value molecules for electronics and performance chemicals.

Basic Information

Item	Details
Product Name	Spiro[Furo[3,4-D]-1,3-Dioxole-4(3Ah),2-Oxetane] (9Ci)
CAS No.	68051-81-0
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	4,7-Epoxyisobenzofuran-1,3-dione, 5,6,7,7a-tetrahydro-; 5,6,7,7a-Tetrahydro-4,7-epoxyisobenzofuran-1,3-dione; Spiro[furo[3,4-d]-1,3-dioxole-4(3aH),2'-oxetane]; 3a,4,7,7a-Tetrahydro-4,7-epoxy-2-benzofuran-1,3-dione; 68051-81-0; Spirocyclic furodioxole oxetane.
EINECS	Contact for details

Quality Control

Every batch of Spiro[Furo[3,4-D]-1,3-Dioxole-4(3Ah),2-Oxetane] (9Ci) is manufactured and tested under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency meet the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed under an inert atmosphere to prevent moisture absorption and potential degradation. Handle and store away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%

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