Description

2-Pyrazolin-5-One, 4-[7-[(3-Ethyl-2-Benzothiazolinylidene)Methyl]-4,4A,5,6-Tetrahydro-2(3H)-Naphthylidene]-3-Methyl-1-Phenyl- is a specialized organic compound belonging to the pyrazolone class, characterized by a complex molecular structure incorporating benzothiazole and naphthalene moieties. This compound matters as a high-value intermediate or functional dye precursor, prized for its specific chromophoric and electronic properties. It is primarily needed by manufacturers in the advanced materials, specialty dyes and pigments, and organic electronics sectors for research and production.

Application

• Key intermediate in the synthesis of functional dyes and pigments for specialized applications.
• Potential precursor for non-linear optical (NLO) materials used in photonics and laser technology.
• Research chemical for developing organic semiconductors and electronic materials.
• Building block in the preparation of fluorescent markers or probes for analytical chemistry.
• Specialty additive in high-performance coatings requiring specific light-absorption properties.
• Used in academic and industrial R&D for novel heterocyclic compound synthesis.

Basic Information

Product Name	2-Pyrazolin-5-One, 4-[7-[(3-Ethyl-2-Benzothiazolinylidene)Methyl]-4,4A,5,6-Tetrahydro-2(3H)-Naphthylidene]-3-Methyl-1-Phenyl-
CAS No.	20749-78-4
Molecular Formula	C29H27N3OS
Molecular Weight	465.61 g/mol
Synonyms	4-[7-[(3-Ethyl-2-benzothiazolinylidene)methyl]-4,4a,5,6-tetrahydro-2(3H)-naphthalenylidene]-3-methyl-1-phenyl-2-pyrazolin-5-one; 3-Methyl-1-phenyl-4-[7-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]-1,2,3,4,4a,5,6,7-octahydro-2-naphthalenylidene]-5-pyrazolone; 1-Phenyl-3-methyl-4-(7-((3-ethyl-2(3H)-benzothiazolylidene)methyl)-1,2,3,4,4a,5,6,7-octahydro-2-naphthylidene)-5-pyrazolone; 4-(7-((3-Ethyl-2(3H)-benzothiazolylidene)methyl)-1,2,3,4,4a,5,6,7-octahydro-2-naphthylidene)-3-methyl-1-phenyl-5-pyrazolone; 5-Pyrazolone derivative CAS 20749-78-4
EINECS	Contact for details

Quality Control

Our 2-Pyrazolin-5-One derivative is produced under controlled conditions to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR). Certificates of Analysis (COA) detailing all specifications are provided to ensure compliance with your research and manufacturing standards.

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). This product is light-sensitive (store away from light). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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