Description

3(2H)-Pyridazinone CAS NO 504-30-3 is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique pyridazinone core structure makes it a valuable intermediate for developing active pharmaceutical ingredients (APIs) and agrochemicals. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various drug candidates, particularly those with cardiovascular, anti-inflammatory, or neurological activity.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Fundamental scaffold for medicinal chemistry and the discovery of new biologically active molecules.
• Material Science: Potential monomer or additive in the development of specialized polymers and advanced organic materials.
• Dye & Pigment Industry: Intermediate in the production of certain heterocyclic dyes and colorants.

Basic Information

Product Name	3(2H)-Pyridazinone
CAS No.	504-30-3
Molecular Formula	C₄H₄N₂O
Molecular Weight	96.09 g/mol
Synonyms	3(2H)-Pyridazinone; 1,2-Diazin-3(2H)-one; 2H-Pyridazin-3-one; 3-Hydroxypyridazine; 3-Pyridazinone; 3-Oxopyridazine; Pyridazin-3(2H)-one; 504-30-3 (CAS)
EINECS	207-992-4

Quality Control

Our 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 aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

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 incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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