Description

3(2H)-Pyridazinone, 5-Bromo-6-Chloro- is a high-purity halogenated pyridazinone derivative, identified by CAS No. 1823887-37-1, serving as a critical advanced pharmaceutical intermediate. Its value lies in its unique molecular scaffold, which is essential for constructing novel active compounds in medicinal chemistry research and development. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for synthesizing new drug candidates and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides and pesticides, leveraging its heterocyclic structure for bioactivity.
• Chemical Biology Probe: Serves as a core structure for creating molecular probes to study enzyme function and biological pathways.
• Material Science Precursor: Potential intermediate for the synthesis of specialty polymers and organic electronic materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthetic projects.
• Academic & Institutional Research: Used in university and government labs for fundamental studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	3(2H)-Pyridazinone, 5-Bromo-6-Chloro-
CAS No.	1823887-37-1
Molecular Formula	C4H2BrClN2O
Molecular Weight	209.43 g/mol
Synonyms	5-Bromo-6-chloro-3(2H)-pyridazinone; 5-Bromo-6-chloro-2H-pyridazin-3-one; 5-Bromo-6-chloro-1,2-dihydropyridazine-3-one; 5-Bromo-6-chloropyridazin-3(2H)-one; 6-Chloro-5-bromo-3(2H)-pyridazinone; 6-Chloro-5-bromo-2H-pyridazin-3-one; 5-Bromo-6-chloro-1,2-dihydro-3H-pyridazin-3-one
EINECS	Contact for details

Quality Control

Our 3(2H)-Pyridazinone, 5-Bromo-6-Chloro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

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