Description

4-Methoxy-2H-Pyridazin-3-One is a versatile heterocyclic building block with significant synthetic utility. This compound serves as a key intermediate in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals, where its pyridazinone core is a privileged scaffold. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecules with potential biological activity.

Application

• Pharmaceutical Intermediate: A crucial 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 research and production of advanced herbicides, fungicides, and plant growth regulators, leveraging its bioactive heterocyclic structure.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex pyridazine and fused heterocyclic systems for material science and specialty chemistry applications.
• Research & Development: Serves as a standard reference compound and a starting material in medicinal chemistry programs for structure-activity relationship (SAR) studies.
• Chemical Biology Probes: Utilized in the development of molecular probes and inhibitors for studying enzymatic pathways and biological mechanisms.

Basic Information

Product Name	4-Methoxy-2H-Pyridazin-3-One
CAS No.	38732-07-9
Molecular Formula	C5H6N2O2
Molecular Weight	126.11 g/mol
Synonyms	4-Methoxypyridazin-3(2H)-one; 3(2H)-Pyridazinone, 4-methoxy-; 4-Methoxy-3(2H)-pyridazinone; 4-Methoxy-1,2-dihydropyridazin-3-one; 4-Methoxy-2H-pyridazin-3-one; 4-Methoxypyridazin-3-ol (tautomer); 4-Methoxy-3-hydroxypyridazine
EINECS	Contact for details

Quality Control

Our 4-Methoxy-2H-Pyridazin-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring full traceability and compliance with your research or production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from 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	≤ 10 ppm

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