Description

5-Bromo-3-Chloropyridazine is a high-purity halogenated pyridazine derivative, a key heterocyclic building block for advanced chemical synthesis. Its value lies in its dual reactive sites, which enable selective functionalization to create complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the pyridazine core's bioactivity.
• Material Science Research: Serves as a building block for creating functionalized polymers, liquid crystals, and organic electronic materials.
• Cross-Coupling Reactions: An excellent substrate for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) to form carbon-carbon and carbon-heteroatom bonds.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes, enzyme inhibitors, and bioconjugation reagents.
• Custom Synthesis & Contract Manufacturing: Supplied to fine chemical companies for use in custom synthesis projects and scale-up processes under cGMP conditions.

Basic Information

Product Name	5-Bromo-3-Chloropyridazine
CAS No.	1196155-33-5
Molecular Formula	C4H2BrClN2
Molecular Weight	193.43 g/mol
Synonyms	3-Chloro-5-bromopyridazine; 5-Bromo-3-chloro-1,2-diazine; Pyridazine, 5-bromo-3-chloro-; 5-Bromo-3-chloro-1,2-diazabenzene; 3-Chloro-5-bromo-1,2-diazine; 1196155-33-5; SCHEMBL21868227
EINECS	Contact for details

Quality Control

Our 5-Bromo-3-Chloropyridazine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment supports applications requiring high standards, including cGMP synthesis for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%

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