Description

3-Chloro-2H-Isoquinolin-1-One is a versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries that require high-purity, specialized intermediates for research and production, such as pharmaceutical R&D and fine chemical manufacturing, are the primary users of this material.

Application

• As a crucial synthetic intermediate in the research and development of novel pharmaceutical active ingredients.
• Utilized in the synthesis of complex heterocyclic compounds for agrochemical applications, including potential herbicides and fungicides.
• Serves as a specialized building block in academic and industrial research for exploring new chemical entities and reaction pathways.
• Potential use in the development of dyes, pigments, and advanced materials due to its fused aromatic structure.
• Employed in custom synthesis and contract manufacturing projects requiring high-purity, bespoke intermediates.

Basic Information

Product Name	3-Chloro-2H-Isoquinolin-1-One
CAS No.	7742-74-7
Molecular Formula	C9H6ClNO
Molecular Weight	179.60 g/mol
Synonyms	3-Chloro-1(2H)-isoquinolinone; 3-Chloro-2H-isoquinolin-1-one; 3-Chloro-1-isoquinolinol; 3-Chloro-1-hydroxyisoquinoline; 3-Chloroisocarbostyril; 1-Isoquinolinol, 3-chloro-; 3-Chloro-1(2H)-isoquinolinone; 3-Chloro-2H-isoquinolin-1-one
EINECS	Contact for details

Quality Control

Our 3-Chloro-2H-Isoquinolin-1-One is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.