Description

3-Bromo-5-Methylpyridazine is a versatile halogenated heterocyclic building block essential for modern synthetic chemistry. Its core value lies in enabling the precise construction of complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily needed by research scientists and process chemists in the pharmaceutical, agrochemical, and material science industries for lead optimization and the synthesis of advanced intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for constructing pyridazine-based drug candidates, including kinase inhibitors and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that require specific halogenated heterocyclic motifs.
• Material Science Research: Serves as a precursor for creating functionalized ligands, organic semiconductors, and photoactive materials.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and Buchwald-Hartwig amination reactions to introduce the 3-bromo-5-methylpyridazine moiety into more complex molecules.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	3-Bromo-5-Methylpyridazine
CAS No.	1257854-82-2
Molecular Formula	C5H5BrN2
Molecular Weight	173.01 g/mol
Synonyms	5-Methyl-3-bromopyridazine; 3-Bromo-5-methyl-1,2-diazine; 3-Bromo-5-methylpyridazine; 1257854-82-2; Bromo-methylpyridazine; Pyridazine, 3-bromo-5-methyl-
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methylpyridazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.