Description

5H,8H-Furo[3,4:1,5]Cyclopenta[1,2-D]-1,3-Dioxole (9Ci) is a high-purity, specialized heterocyclic compound with a unique fused-ring structure. This compound serves as a critical synthetic intermediate and building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily required by pharmaceutical R&D and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with complex polycyclic frameworks.
• Agrochemical Research: Building block for developing new active ingredients with specific biological activity.
• Material Science: Used in the research and development of advanced organic electronic materials and polymers.
• Academic & Industrial R&D: Essential reagent for methodological studies in organic chemistry and catalysis.
• Fine Chemical Synthesis: Intermediate for producing specialty chemicals, flavors, and fragrances.

Basic Information

Product Name	5H,8H-Furo[3,4:1,5]Cyclopenta[1,2-D]-1,3-Dioxole (9Ci)
CAS No.	101294-52-4
Molecular Formula	C9H8O3
Molecular Weight	164.16 g/mol
Synonyms	5H,8H-Furo[3,4:1,5]cyclopenta[1,2-d][1,3]dioxole; 5H,8H-Furo[3,4:1,5]cyclopenta[1,2-d]-1,3-dioxole; 1,3-Dioxolo[4,5-g]isobenzofuran; 1,3-Dioxolo[4,5-g]-2-benzofuran; 4,7-Epoxyisobenzofuran-5,6-diyl dimethyl ether (non-preferred); Furo[3,4:1,5]cyclopenta[1,2-d][1,3]dioxole, 5H,8H-
EINECS	Contact for details

Quality Control

Our 5H,8H-Furo[3,4:1,5]Cyclopenta[1,2-D]-1,3-Dioxole (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and 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 a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining the product under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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