Description

4-Bromo-7-Chloroisoquinolin-1(2H)-One is a high-purity, heterocyclic organic building block of significant interest in advanced chemical synthesis. This compound serves as a critical intermediate for the development of novel pharmaceutical agents and functional materials. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a monomer or functional unit in the creation of organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biochemical research.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and CDMOs performing bespoke synthesis for client projects.

Basic Information

Product Name	4-Bromo-7-Chloroisoquinolin-1(2H)-One
CAS No.	1028252-13-2
Molecular Formula	C9H5BrClNO
Molecular Weight	258.50 g/mol
Synonyms	1(2H)-Isoquinolinone, 4-bromo-7-chloro-; 4-Bromo-7-chloro-1,2-dihydroisoquinolin-1-one; 4-Bromo-7-chloro-1H-isoquinolin-1-one; 7-Chloro-4-bromoisoquinolin-1(2H)-one; 4-Bromo-7-chloro-2H-isoquinolin-1-one; 4-Bromo-7-chloro-1-isoquinolinone
EINECS	Contact for details

Quality Control

Our 4-Bromo-7-Chloroisoquinolin-1(2H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and industry standards.

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). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.