Description

4-Chloro-5-Hydrazino-2-Phenyl-2,3-Dihydropyridazin-3-One is a specialized heterocyclic organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its unique molecular structure, featuring both chloro and hydrazino substituents on a dihydropyridazinone core, makes it a versatile building block for constructing complex pharmacologically active molecules. This high-purity intermediate is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical sectors who require reliable, high-quality raw materials for synthesizing novel compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, cardiovascular diseases, and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging its reactive hydrazino group for constructing heterocyclic active ingredients.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis in high-throughput screening.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized azo dyes and high-performance pigments due to its phenyl and heterocyclic structure.
• Material Science: Investigated as a monomer or cross-linking agent in the synthesis of specialty polymers with unique thermal or optical properties.

Basic Information

Item	Details
Product Name	4-Chloro-5-Hydrazino-2-Phenyl-2,3-Dihydropyridazin-3-One
CAS No.	1210-32-8
Molecular Formula	C10H9ClN4O
Molecular Weight	236.66 g/mol
Synonyms	4-Chloro-5-hydrazinyl-2-phenyl-2,3-dihydropyridazin-3-one; 5-Hydrazino-4-chloro-2-phenyl-3(2H)-pyridazinone; 2-Phenyl-4-chloro-5-hydrazino-2,3-dihydro-3-pyridazinone; 4-Chloro-5-hydrazino-2-phenyl-3(2H)-pyridazinone; 1210-32-8; 4-Chloro-5-hydrozino-2-phenyl-2,3-dihydropyridazin-3-one
EINECS	Contact for details

Quality Control

Every batch of 4-Chloro-5-Hydrazino-2-Phenyl-2,3-Dihydropyridazin-3-One is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency meet the exacting standards required for pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee full traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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