Description

p-[4-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Ethylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is a high-purity, specialized organic compound belonging to the class of benzoxazolyl pyrazolone derivatives. This chemical is valued for its unique structural properties, making it a critical intermediate in the synthesis of advanced functional materials and dyes. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds with specific optical or biological activities.

Application

This advanced chemical intermediate serves a variety of specialized roles in research and industrial synthesis:

• Key Intermediate for Functional Dyes: Used in the synthesis of sensitizing dyes for photographic films and specialized colorants.
• Pharmaceutical Research Intermediate: Serves as a building block in the development of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the research and production of advanced pesticides and herbicides.
• Material Science Research: Used in the development of organic semiconductors, non-linear optical (NLO) materials, and other advanced functional polymers.
• Analytical Chemistry Reagent: Acts as a specialized reagent or standard in chromatographic analysis and method development.

Basic Information

Product Name	p-[4-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Ethylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid
CAS No.	27583-41-1
Molecular Formula	C22H19N3O5S
Molecular Weight	437.47 g/mol
Synonyms	4-[4-[(3-Ethyl-2(3H)-benzoxazolylidene)ethylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid; 4-[4-[(3-Ethylbenzoxazol-2(3H)-ylidene)ethylidene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonic acid; Benzenesulfonic acid, 4-[4-[(3-ethyl-2(3H)-benzoxazolylidene)ethylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]-; 27583-41-1; Pyrazolone-based benzoxazole sulfonic acid derivative
EINECS	Contact for details

Quality Control

Our production of p-[4-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Ethylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for research and industrial applications. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to verify identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.