Description

2,4,5-Trichloro-3(2H)-Pyridazinone is a halogenated heterocyclic compound that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. Its value lies in its reactive chlorinated pyridazinone core, which enables the construction of complex molecules for high-value applications. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: A valuable scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential intermediate in the synthesis of specialty polymers, dyes, or photoactive materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	2,4,5-Trichloro-3(2H)-Pyridazinone
CAS No.	89089-14-5
Molecular Formula	C4HCl3N2O
Molecular Weight	199.42 g/mol
Synonyms	2,4,5-Trichloro-3-pyridazinone; 2,4,5-Trichloro-3(2H)-pyridazinone; 3(2H)-Pyridazinone, 2,4,5-trichloro-; 2,4,5-Trichloro-1,2-dihydropyridazine-3-one; 2,4,5-Trichloro-2H-pyridazin-3-one; 2,4,5-Trichloro-3-hydroxypyridazine
EINECS	Contact for details

Quality Control

Our 2,4,5-Trichloro-3(2H)-Pyridazinone is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and scale-up. Certificates of Analysis (COA) with detailed chromatographic data are provided and available upon request.

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 strong bases and reducing agents.

Specification

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