Description

Ethyl 4,5-Dihydro-5-Oxo-4-[[4-[(2-Phenoxyethoxy)Carbonyl]Phenyl]Azo]-1-Phenyl-1H-Pyrazole-3-Carboxylate is a high-purity, specialized azo pyrazole derivative valued for its role as a key synthetic intermediate and functional dye precursor. Its complex molecular structure provides unique chemical properties essential for advanced material synthesis and colorant development. This compound is primarily required by manufacturers in the fine chemical, pharmaceutical, and high-performance pigment industries for research and production-scale applications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting specific biological pathways.
• Functional Dye Precursor: Serves as a critical building block for manufacturing advanced azo dyes and pigments with specific light-absorption or chromophoric properties.
• Material Science Research: Employed in the development of new organic materials, including liquid crystals, photoresists, and nonlinear optical (NLO) materials.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and method development due to its distinct chemical signature.
• Agrochemical Synthesis: Acts as an intermediate in the research and production of specialized agrochemicals and plant protection agents.
• Polymer Additive Development: Investigated for use in creating specialized polymer additives that impart color or other functional characteristics.

Basic Information

Product Name	Ethyl 4,5-Dihydro-5-Oxo-4-[[4-[(2-Phenoxyethoxy)Carbonyl]Phenyl]Azo]-1-Phenyl-1H-Pyrazole-3-Carboxylate
CAS No.	86422-58-4
Molecular Formula	C27H24N4O6
Molecular Weight	500.50 g/mol
Synonyms	Ethyl 5-oxo-4-[[4-[(2-phenoxyethoxy)carbonyl]phenyl]azo]-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[[4-[(2-phenoxyethoxy)carbonyl]phenyl]azo]-1-phenyl-, ethyl ester; Azo pyrazole derivative 86422-58-4; 4-[[4-(2-Phenoxyethoxycarbonyl)phenyl]azo]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester; Ethyl 4-(4-carboxyphenoxyethoxycarbonylphenylazo)-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate (alternative structural naming)
EINECS	Contact for details

Quality Control

Our Ethyl 4,5-Dihydro-5-Oxo-4-[[4-[(2-Phenoxyethoxy)Carbonyl]Phenyl]Azo]-1-Phenyl-1H-Pyrazole-3-Carboxylate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture and contamination. Observe all local regulations for chemical storage.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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