Description

4-Ethyl-2H-Phthalazin-1-One is a specialized heterocyclic organic compound belonging to the phthalazinone class. This high-purity intermediate is valued for its role as a critical building block in advanced pharmaceutical and agrochemical synthesis. It is primarily sought by research institutions and industrial manufacturers developing novel active ingredients, particularly in the fields of oncology and crop protection.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure for developing advanced electron-transport or emissive layer materials.
• Chemical Research: Employed in academic and industrial R&D for studying heterocyclic chemistry and developing new synthetic methodologies.
• Material Science: Investigated as a monomer or additive for creating high-performance polymers with specific thermal or optical properties.

Basic Information

Product Name	4-Ethyl-2H-Phthalazin-1-One
CAS No.	54145-30-1
Molecular Formula	C₁₀H₁₀N₂O
Molecular Weight	174.20 g/mol
Synonyms	4-Ethyl-1(2H)-phthalazinone; 4-Ethylphthalazin-1(2H)-one; 1(2H)-Phthalazinone, 4-ethyl-; 4-Ethyl-2H-phthalazin-1-one; 4-Ethylphthalazinone; 54145-30-1; 4-Ethyl-1-phthalazinone
EINECS	Contact for details

Quality Control

Our 4-Ethyl-2H-Phthalazin-1-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements of advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 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%
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.