Description

5-Chloroisoquinolin-1(2H)-One is a versatile heterocyclic building block and key synthetic intermediate in advanced organic chemistry. Its value lies in its unique fused-ring structure and reactive chlorinated position, enabling the construction of complex molecular frameworks. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of active pharmaceutical ingredients (APIs) and novel crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, including kinase inhibitors and other biologically active heterocycles.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a building block for creating novel organic ligands, dyes, and functional polymers.
• Academic & R&D: A valuable reagent for methodological studies in organic synthesis and medicinal chemistry.
• Fine Chemical Production: Employed in the custom synthesis of complex, high-value specialty chemicals.

Basic Information

Item	Details
Product Name	5-Chloroisoquinolin-1(2H)-One
CAS No.	24188-73-6
Molecular Formula	C9H6ClNO
Molecular Weight	179.60 g/mol
Synonyms	5-Chloro-1(2H)-isoquinolinone; 5-Chloro-1,2-dihydroisoquinolin-1-one; 5-Chloroisoquinolin-1-ol; 5-Chloro-2H-isoquinolin-1-one; 1-Hydroxy-5-chloroisoquinoline; 5-Chloro-1-isoquinolinol; 5-Chloro-1-hydroxyisoquinoline
EINECS	Contact for details

Quality Control

Our 5-Chloroisoquinolin-1(2H)-One is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical characteristics is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.