Description

Spiro[1H-Cyclopenta[C]Furan-5(3H),2-[1,3]Dioxolane]-1,3-Dione, Tetrahydro- (9Ci) is a high-purity, specialized spirocyclic organic compound with significant utility as a key synthetic intermediate. Its unique fused ring structure makes it a valuable building block for the development of complex molecules in advanced research and manufacturing. This compound is primarily sought by pharmaceutical R&D teams and fine chemical manufacturers for applications in drug discovery and the synthesis of novel materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring complex, multi-cyclic frameworks.
• Agrochemical Research: Used in the development and synthesis of new-generation pesticides and herbicides, where its spiro structure can contribute to unique biological activity.
• Material Science: Acts as a monomer or building block for creating specialized polymers and advanced organic materials with specific thermal or optical properties.
• Organic Synthesis & Catalysis: Employed as a sophisticated reagent or ligand scaffold in asymmetric synthesis and catalytic reactions to construct stereogenic centers.
• Academic & Industrial R&D: Essential for methodological studies and exploring new chemical spaces in both university laboratories and corporate R&D centers.

Basic Information

Product Name	Spiro[1H-Cyclopenta[C]Furan-5(3H),2-[1,3]Dioxolane]-1,3-Dione, Tetrahydro- (9Ci)
CAS No.	777085-50-4
Molecular Formula	C9H10O5
Molecular Weight	198.17 g/mol
Synonyms	Tetrahydrospiro[cyclopenta[c]furan-5,2'-[1,3]dioxolane]-1,3-dione; Spiro(cyclopenta[c]furan-5(3H),2'-(1,3-dioxolane))-1,3-dione, tetrahydro-; 1,3-Dioxaspiro[4.4]nonane-2,4-dione? (Structural isomer check required); Contact for detailed synonym list.
EINECS	Contact for details

Quality Control

Our Spiro[1H-Cyclopenta[C]Furan-5(3H),2-[1,3]Dioxolane]-1,3-Dione, Tetrahydro- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 the container tightly sealed in a dry environment to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.