Description

Ethyl 4-Hydroxy-1-Phenyl-5-(Phenylazo)-1H-Pyrazole-3-Carboxylate is a specialized pyrazole derivative featuring an azo functional group, making it a compound of significant interest in advanced organic synthesis. Its core value lies in its role as a versatile chemical intermediate and chromophore precursor, enabling the development of materials with specific optical and chemical properties. This product is essential for R&D and production teams in the pharmaceutical, dye and pigment, and advanced materials sectors seeking to innovate with complex heterocyclic compounds.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific biological pathways.
• Dye and Pigment Manufacturing: Acts as a crucial precursor for the production of azo dyes and pigments, contributing to color strength and stability in textiles, inks, and coatings.
• Research & Development: Used in academic and industrial laboratories for exploring new reactions, developing functional materials, and studying the properties of azo-coupled heterocycles.
• Chemical Synthesis: Employed as a specialized reagent for constructing complex molecular architectures in fine chemical and agrochemical research.
• Material Science: Investigated for potential use in the development of organic semiconductors, sensors, or non-linear optical materials due to its conjugated structure.

Basic Information

Product Name	Ethyl 4-Hydroxy-1-Phenyl-5-(Phenylazo)-1H-Pyrazole-3-Carboxylate
CAS No.	15096-02-3
Molecular Formula	C18H16N4O3
Molecular Weight	336.35 g/mol
Synonyms	Ethyl 4-Hydroxy-1,5-diphenyl-1H-pyrazole-3-carboxylate 5-azo derivative; 1H-Pyrazole-3-carboxylic acid, 4-hydroxy-1,5-diphenyl-, ethyl ester, 5-azo derivative; Ethyl 4-hydroxy-1-phenyl-5-[(E)-phenyldiazenyl]-1H-pyrazole-3-carboxylate; 5-(Phenylazo)-4-hydroxy-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester; Azo pyrazole ester; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Ethyl 4-Hydroxy-1-Phenyl-5-(Phenylazo)-1H-Pyrazole-3-Carboxylate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay (HPLC), related substances, and physical characteristics. Our commitment to supply chain reliability and documentation transparency supports your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light to preserve product integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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