Description

4-Chloro-5-Ethoxy-2-Phenyl-3(2H)-Pyridazinone is a specialized heterocyclic compound that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique pyridazinone core, substituted with chloro, ethoxy, and phenyl groups, makes it a valuable precursor for developing novel active ingredients. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring heterocyclic scaffolds.
• Agrochemical Research: Used in the development and synthesis of new herbicides, fungicides, and plant growth regulators.
• Chemical Synthesis: Serves as a versatile precursor for creating complex organic molecules in academic and industrial R&D laboratories.
• Material Science: Potential intermediate for the synthesis of specialty chemicals and functional materials.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	4-Chloro-5-Ethoxy-2-Phenyl-3(2H)-Pyridazinone
CAS No.	5509-73-9
Molecular Formula	C₁₂H₁₁ClN₂O₂
Molecular Weight	250.68 g/mol
Synonyms	4-Chloro-5-ethoxy-2-phenyl-3(2H)-pyridazinone; 4-Chloro-5-ethoxy-2-phenylpyridazin-3(2H)-one; 2-Phenyl-4-chloro-5-ethoxy-3(2H)-pyridazinone; 4-Chloro-5-ethoxy-2-phenyl-3-pyridazinone; 5-Ethoxy-4-chloro-2-phenyl-3(2H)-pyridazinone; 5509-73-9; NSC 163063
EINECS	226-848-9

Quality Control

Our 4-Chloro-5-Ethoxy-2-Phenyl-3(2H)-Pyridazinone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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