Description

4-Chloro-5-Methoxy-2-Methyl-2,3-Dihydropyridazin-3-One is a specialized heterocyclic organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its unique pyridazinone core structure makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This high-purity intermediate is essential for research and production teams in the pharmaceutical, agrochemical, and fine chemical sectors seeking to develop new products with enhanced properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and cardiovascular diseases.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides and pesticides, leveraging its heterocyclic scaffold for biological activity.
• Chemical Research & Development: Serves as a versatile building block in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Fine Chemical Production: Employed in the custom synthesis of complex, high-value molecules for various industrial and research applications.

Basic Information

Product Name	4-Chloro-5-Methoxy-2-Methyl-2,3-Dihydropyridazin-3-One
CAS No.	14628-57-0
Molecular Formula	C₆H₇ClN₂O₂
Molecular Weight	174.58 g/mol
Synonyms	4-Chloro-5-methoxy-2-methyl-2,3-dihydro-3-pyridazinone; 2,3-Dihydro-4-chloro-5-methoxy-2-methyl-3-pyridazinone; 3-Pyridazinone, 4-chloro-2,3-dihydro-5-methoxy-2-methyl-; 4-Chloro-5-methoxy-2-methyl-3(2H)-pyridazinone; 4-Chloro-5-methoxy-2-methyl-2H-pyridazin-3-one
EINECS	Contact for details

Quality Control

Our 4-Chloro-5-Methoxy-2-Methyl-2,3-Dihydropyridazin-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical and agrochemical intermediates. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.