Description

3-Chloro-5H-Cyclopenta[B]Pyridin-7(6H)-One is a high-purity, advanced pharmaceutical intermediate characterized by its fused cyclopentapyridine core structure. This compound is of significant commercial value for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex heterocyclic scaffolds. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical industries engaged in drug discovery and process development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, especially those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Serves as a core structure for developing new-generation herbicides and fungicides with novel modes of action.
• Material Science: Used in the research and development of organic electronic materials and ligands for catalytic systems.
• Academic & Contract Research: Essential for medicinal chemistry programs in academic labs and CROs (Contract Research Organizations) for library synthesis and structure-activity relationship (SAR) studies.
• Process Chemistry: Employed in route scouting and scale-up optimization for the commercial production of target molecules.

Basic Information

Item	Details
Product Name	3-Chloro-5H-Cyclopenta[B]Pyridin-7(6H)-One
CAS No.	1357097-06-3
Molecular Formula	C8H6ClNO
Molecular Weight	167.59 g/mol
Synonyms	3-Chloro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-one; 3-Chloro-5H-cyclopenta[b]pyridin-7(6H)-one; 7(6H)-Oxo-3-chloro-5H-cyclopenta[b]pyridine; 3-Chlorocyclopenta[b]pyridin-7-one
EINECS	Contact for details

Quality Control

Every batch of 3-Chloro-5H-Cyclopenta[B]Pyridin-7(6H)-One is manufactured under strict quality management systems. We provide comprehensive analytical documentation to ensure traceability and compliance with your project requirements. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each 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 away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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