Description

2-Acetyl-4,5-Dichloro-3(2H)-Pyridazinone is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique dichloro-pyridazinone scaffold enables precise molecular modifications. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic cores.
• Agrochemical Research: Serves as a key precursor in the development of new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Fine Chemical Synthesis: Used in custom synthesis and contract manufacturing for producing high-value, complex organic molecules.
• Chemical Biology Probes: Employed in research to create molecular tools for studying enzyme function and biological pathways.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced functional materials.

Basic Information

Product Name	2-Acetyl-4,5-Dichloro-3(2H)-Pyridazinone
CAS No.	155164-63-9
Molecular Formula	C6H4Cl2N2O2
Molecular Weight	207.01 g/mol
Synonyms	2-Acetyl-4,5-dichloro-2H-pyridazin-3-one; 4,5-Dichloro-2-acetyl-3(2H)-pyridazinone; 3(2H)-Pyridazinone, 2-acetyl-4,5-dichloro-; 2-Acetyl-4,5-dichloro-3-pyridazinone; 4,5-Dichloro-2-acetylpyridazin-3(2H)-one; ACDP
EINECS	Contact for details

Quality Control

Our 2-Acetyl-4,5-Dichloro-3(2H)-Pyridazinone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable for pharmaceutical intermediates, and we support our global partners with the documentation required for their regulatory submissions.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.