Description

3-Chloro-6,7-dihydro-5H-cyclopenta[c]pyridazine is a high-purity, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its unique fused-ring structure containing nitrogen and chlorine atoms makes it a valuable intermediate for creating complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used as a core scaffold for developing new generations of herbicides, fungicides, and insecticides with improved efficacy.
• Material Science: Serves as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: An essential building block for constructing complex heterocyclic compounds in academic and industrial R&D laboratories.
• Ligand & Catalyst Development: Utilized in the design of novel ligands for catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Chloro-6,7-dihydro-5H-cyclopenta[c]pyridazine
CAS No.	872292-64-3
Molecular Formula	C7H7ClN2
Molecular Weight	154.60 g/mol
Synonyms	3-Chloro-6,7-dihydro-5H-cyclopentapyridazine; 3-Chloro-5H-cyclopenta[c]pyridazine; 872292-64-3; 3-Chlorocyclopentapyridazine; 3-Chloro-5H-cyclopenta[c]pyridazine; 3-Chloro-6,7-dihydrocyclopenta[c]pyridazine; 3-Chloro-6,7-dihydro-5H-cyclopenta[c]pyridazin
EINECS	Contact for details

Quality Control

Our 3-Chloro-6,7-dihydro-5H-cyclopenta[c]pyridazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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