Description

4-[(4-Ethoxyphenyl)Hydrazono]-5-Methyl-2-(4-Nitrophenyl)-2,4-Dihydro-3H-Pyrazol-3-One CAS NO 314759-20-1 is a specialized pyrazolone derivative, a high-value chemical intermediate prized for its unique molecular architecture. This compound is critical for research and development in advanced material science and pharmaceutical synthesis, where precise structural control is paramount. It is primarily sought by fine chemical manufacturers and R&D laboratories focused on developing novel dyes, pigments, and active pharmaceutical ingredients (APIs).

Application

This versatile pyrazolone derivative serves as a key building block in several high-tech industrial and research applications:

• Advanced Dye & Pigment Synthesis: A crucial intermediate for producing high-performance azo dyes and organic pigments with enhanced color fastness and thermal stability.
• Pharmaceutical Research Intermediate: Used in the discovery and development of novel therapeutic agents, particularly those targeting specific enzymatic pathways.
• Functional Material Development: Employed in the synthesis of organic semiconductors, non-linear optical (NLO) materials, and other specialty polymers.
• Analytical Chemistry & Chelation: Acts as a potential ligand or chelating agent in analytical reagents and metal extraction processes.
• Academic & Industrial R&D: Serves as a reference standard and starting material for novel heterocyclic compound research in chemistry departments and corporate labs.

Basic Information

Product Name	4-[(4-Ethoxyphenyl)Hydrazono]-5-Methyl-2-(4-Nitrophenyl)-2,4-Dihydro-3H-Pyrazol-3-One
CAS No.	314759-20-1
Molecular Formula	C18H17N5O4
Molecular Weight	367.36 g/mol
Synonyms	5-Methyl-2-(4-nitrophenyl)-4-[(4-ethoxyphenyl)hydrazono]-2,4-dihydro-3H-pyrazol-3-one; 4-[(4-Ethoxyphenyl)hydrazono]-5-methyl-2-(4-nitrophenyl)-2H-pyrazol-3-ol; 3H-Pyrazol-3-one, 4-[(4-ethoxyphenyl)hydrazono]-5-methyl-2-(4-nitrophenyl)-2,4-dihydro-; (4-Ethoxyphenyl)hydrazone derivative of 5-methyl-2-(4-nitrophenyl)-3-pyrazolone; Pyrazolone Yellow Intermediate; Azo Pyrazolone Derivative
EINECS	Contact for details

Quality Control

Our production of 4-[(4-Ethoxyphenyl)Hydrazono]-5-Methyl-2-(4-Nitrophenyl)-2,4-Dihydro-3H-Pyrazol-3-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure consistency and meet exacting customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with each shipment to guarantee traceability and compliance.

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 heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture and contamination.

Specification

Item	Specification
Appearance	Yellow to Orange Crystalline Powder
Identification (IR)	Conforms to Reference Spectrum
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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