Description

3H-Pyrazol-3-One, 4-[3-[(3-Ethyl-2(3H)-Benzothiazolylidene)Methyl]-2-Cyclohexen-1-Ylidene]-2,4-Dihydro-5-Methyl-2-Phenyl- is a specialized heterocyclic organic compound belonging to the pyrazolone and benzothiazole chemical families. This compound matters as a key intermediate and functional dye precursor, valued for its unique chromophore structure and photophysical properties. Industrial and research laboratories require it for the synthesis of advanced materials, including sensitizing dyes for photographic and optoelectronic applications.

Application

• Sensitizing Dye Intermediate: A critical precursor in the synthesis of cyanine and merocyanine dyes used in silver halide photographic films and papers.
• Optoelectronic Materials: Used in research and development of organic light-emitting diodes (OLEDs) and nonlinear optical (NLO) materials due to its electron-donating and conjugated system.
• Laser Dye Synthesis: Serves as a building block for tunable laser dyes in the visible to near-infrared spectrum.
• Analytical Chemistry Reagent: Potential use as a chromogenic agent or probe in spectroscopic analysis and sensor development.
• Academic & Industrial Research: A valuable compound for studying structure-property relationships in heterocyclic and dye chemistry.
• Specialty Chemical Synthesis: Intermediate for creating complex molecules with specific light-absorption or charge-transfer characteristics.

Basic Information

Product Name	3H-Pyrazol-3-One, 4-[3-[(3-Ethyl-2(3H)-Benzothiazolylidene)Methyl]-2-Cyclohexen-1-Ylidene]-2,4-Dihydro-5-Methyl-2-Phenyl-
CAS No.	54118-05-7
Molecular Formula	C26H25N3OS
Molecular Weight	427.56 g/mol
Synonyms	4-[3-[(3-Ethyl-2(3H)-benzothiazolylidene)methyl]-2-cyclohexen-1-ylidene]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 4-[3-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]-2-cyclohexen-1-ylidene]-2,4-dihydro-5-methyl-2-phenyl-; Merocyanine dye intermediate; Pyrazolone benzothiazole derivative; 54118-05-7; 4-(3-((3-Ethyl-2(3H)-benzothiazolylidene)methyl)-2-cyclohexen-1-ylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
EINECS	Contact for details

Quality Control

Our production of 3H-Pyrazol-3-One, 4-[3-[(3-Ethyl-2(3H)-Benzothiazolylidene)Methyl]-2-Cyclohexen-1-Ylidene]-2,4-Dihydro-5-Methyl-2-Phenyl- adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for sensitive applications. Each lot undergoes comprehensive analysis including HPLC for purity, spectroscopic identification (IR, NMR), and residual solvent testing. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature, prolonged exposure to direct light should be avoided. Keep the container tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	Dark red to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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