Description

5-Bromo-2-(9-Chloro-3-Oxonaphtho[1,2-B]Thien-2(3H)-Ylidene)-1,2-Dihydro-3H-Indol-3-One CAS NO 3687-67-0 is a high-purity, complex heterocyclic organic compound characterized by its fused naphthothiophene and indole ring systems. This specialized chemical serves as a critical advanced intermediate in the synthesis of novel functional materials and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and organic electronics sectors for developing next-generation compounds.

Application

• Pharmaceutical Intermediate: Key building block for the research and development of new drug candidates, particularly in oncology and antiviral therapeutic areas.
• Agrochemical Research: Used in the synthesis of novel pesticides and herbicides, leveraging its complex molecular structure for targeted biological activity.
• Organic Semiconductor Precursor: Serves as a core component in the development of organic light-emitting diodes (OLEDs) and other electronic materials due to its extended conjugated system.
• Dye & Pigment Synthesis: Acts as an intermediate for creating high-performance, color-fast dyes and pigments for specialized industrial applications.
• Academic & Contract Research: Essential reagent for methodological studies in organic synthesis and heterocyclic chemistry at universities and CROs (Contract Research Organizations).
• Material Science: Investigated for use in nonlinear optical (NLO) materials and photoresists due to its specific light-absorbing properties.

Basic Information

Product Name	5-Bromo-2-(9-Chloro-3-Oxonaphtho[1,2-B]Thien-2(3H)-Ylidene)-1,2-Dihydro-3H-Indol-3-One
CAS No.	3687-67-0
Molecular Formula	C20H9BrClNO2S
Molecular Weight	458.71 g/mol
Synonyms	5-Bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thiophen-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one; 2-(5-Bromo-3-oxo-1,3-dihydro-2H-indol-2-ylidene)-9-chloronaphtho[1,2-b]thiophen-3(2H)-one; 3687-67-0; Naphtho[1,2-b]thiophen-3(2H)-one, 2-(5-bromo-3-oxo-1,3-dihydro-2H-indol-2-ylidene)-9-chloro-; 9-Chloro-2-(5-bromo-3-oxoindolin-2-ylidene)benzo[de]benzo[4,5]thieno[2,3-c]furan-1(3H)-one
EINECS	Contact for details

Quality Control

Every batch of 5-Bromo-2-(9-Chloro-3-Oxonaphtho[1,2-B]Thien-2(3H)-Ylidene)-1,2-Dihydro-3H-Indol-3-One is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research and development requirements.

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). Keep the container tightly sealed in a dry environment to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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