Description

5-Amino-6-Bromo-2-Methyl-2H-Pyridazin-3-One is a high-purity, functionalized pyridazinone derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific amino and bromo functionalities into complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in heterocyclic chemistry.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides that require the pyridazinone core.
• Chemical Research & Development: Serves as a versatile building block for constructing complex molecules in academic and industrial research labs.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and specialty polymers.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of client-specific target molecules.

Basic Information

Product Name	5-Amino-6-Bromo-2-Methyl-2H-Pyridazin-3-One
CAS No.	65269-64-9
Molecular Formula	C5H6BrN3O
Molecular Weight	204.03 g/mol
Synonyms	6-Bromo-5-amino-2-methyl-2H-pyridazin-3-one; 5-Amino-6-bromo-2-methylpyridazin-3(2H)-one; 2-Methyl-5-amino-6-bromo-2H-pyridazin-3-one; 5-Amino-6-bromo-2-methyl-3(2H)-pyridazinone; 65269-64-9; 6-Bromo-5-amino-2-methyl-3(2H)-pyridazinone
EINECS	Contact for details

Quality Control

Our 5-Amino-6-Bromo-2-Methyl-2H-Pyridazin-3-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and commercial synthesis. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of pharmaceutical and agrochemical intermediate supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.