Description

Cyclohepta[B]Pyrrole-5-Carboxaldehyde (9Ci) is a specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique fused-ring structure makes it a valuable precursor for constructing complex molecular architectures, particularly in the development of novel functional materials and active pharmaceutical ingredients (APIs). This high-purity intermediate is essential for researchers and process chemists in pharmaceutical R&D, agrochemical discovery, and materials science who require reliable, high-quality building blocks for their innovative projects.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those with complex polycyclic frameworks.
• Agrochemical Research: Used in the discovery and development of new active ingredients for crop protection products.
• Organic Electronic Materials: Serves as a precursor for constructing π-conjugated systems used in OLEDs, organic photovoltaics, and sensors.
• Dye and Pigment Synthesis: Employed in the creation of novel heterocyclic dyes and functional colorants.
• Ligand and Catalyst Development: Useful for preparing novel nitrogen-containing ligands for coordination chemistry and catalysis.
• Academic and Industrial R&D: A valuable tool for methodological studies and exploring new chemical spaces in synthetic organic chemistry.

Basic Information

Product Name	Cyclohepta[B]Pyrrole-5-Carboxaldehyde (9Ci)
CAS No.	105852-70-8
Molecular Formula	C10H7NO
Molecular Weight	157.17 g/mol
Synonyms	5-Formylcyclohepta[b]pyrrole; Cyclohepta[b]pyrrole-5-carboxaldehyde; 5-Cyclohepta[b]pyrrolecarboxaldehyde; 1H-Cyclohepta[b]pyrrole-5-carboxaldehyde; 5-Azulenecarboxaldehyde, 1,2-dihydro-; 1,2-Dihydro-5-azulenecarboxaldehyde; 9CI Index Name
EINECS	Contact for details

Quality Control

Our Cyclohepta[B]Pyrrole-5-Carboxaldehyde (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for fine chemical production to support our global customers' quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening a new container to maximize shelf life.

Specification

Item	Specification
Appearance	Light yellow to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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