Description

4-[4-[4-(3-Ethyl-Benzoxazol-2(3H)-Ylidene)Buten-2-Ylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is a high-purity, specialized organic compound with the CAS number 29637-29-4. This product is valued for its precise chemical structure, which makes it a critical intermediate in advanced synthesis and research applications. It is primarily sought after by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty dye industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Serves as a key building block for developing new pesticides and herbicides.
• Functional Dye & Pigment Synthesis: A crucial precursor for creating specialized dyes, pigments, and optical brighteners.
• Material Science: Employed in research for organic semiconductors and advanced polymeric materials.
• Chemical Research: Used as a standard or reagent in analytical chemistry and method development.
• Life Sciences: Potential application as a fluorescent probe or marker in biochemical assays.

Basic Information

Item	Details
Product Name	4-[4-[4-(3-Ethyl-Benzoxazol-2(3H)-Ylidene)Buten-2-Ylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid
CAS No.	29637-29-4
Molecular Formula	C29H25N3O5S
Molecular Weight	527.59 g/mol
Synonyms	Benzenesulfonic acid, 4-[4-[4-(3-ethyl-2(3H)-benzoxazolylidene)-2-butenylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-; 29637-29-4; 4-(4-{4-[(3-Ethyl-1,3-benzoxazol-2(3H)-ylidene)but-2-en-1-ylidene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonic acid; Disperse Yellow 184; C.I. 480060; Solvent Yellow 184; Aizen Cathilon Yellow 5GLH
EINECS	Contact for details

Quality Control

Our 4-[4-[4-(3-Ethyl-Benzoxazol-2(3H)-Ylidene)Buten-2-Ylidene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements of research and industrial synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in DMSO, DMF; slightly soluble in water

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