Description

1H-Cyclopenta[B]Benzofuran (8Ci,9Ci) is a high-purity, fused tricyclic aromatic compound that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique structural framework makes it a valuable precursor for the development of complex molecules, particularly in pharmaceutical and materials science research. This compound is essential for R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), organic semiconductors, and specialty polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with complex polycyclic architectures.
• Organic Electronic Materials: Used in research and development of organic light-emitting diodes (OLEDs) and other semiconductor materials due to its fused aromatic system.
• Agrochemical Synthesis: Serves as a precursor for developing new active ingredients with specific biological activity.
• Dye and Pigment Chemistry: Acts as a core structure for synthesizing specialized dyes and functional colorants.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic synthesis and catalysis.
• Ligand and Catalyst Development: Utilized in the design of novel ligands for metal-catalyzed reactions.

Basic Information

Item	Detail
Product Name	1H-Cyclopenta[B]Benzofuran (8Ci,9Ci)
CAS No.	247-09-6
Molecular Formula	C11H8O
Molecular Weight	156.18 g/mol
Synonyms	Cyclopenta[b]benzofuran; 1H-Cyclopenta[b]benzofuran; 1H-Cyclopenta[b]benzofuran, 8ci,9ci; Benzofuro[3,2-c]cyclopentane; 1H-Benzofuro[3,2-c]cyclopentane; 247-09-6; NSC 163045
EINECS	Contact for details

Quality Control

Every batch of 1H-Cyclopenta[B]Benzofuran (8Ci,9Ci) is produced and tested under a strict quality management system to ensure consistency and reliability for your research and production processes. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

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%

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