Description

5-Ethyl-1,3-Dihydro-1-(2,3,5,6-Tetrafluorophenyl)-2H-Indol-2-One is a high-value, fluorinated indole derivative that serves as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular architecture, featuring a tetrafluorophenyl group, makes it an essential building block for the development of novel, high-performance compounds. This product is primarily targeted at research and development laboratories and production facilities in the pharmaceutical, agrochemical, and materials science sectors, where it is used to create new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in developing new-generation pesticides and herbicides, where the fluorine atoms enhance biological activity and environmental stability.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport or host materials in display and lighting technologies.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Fluorinated Liquid Crystal Development: Acts as a core component in the creation of advanced fluorinated liquid crystals for display applications.
• Academic & Industrial R&D: A versatile scaffold for medicinal chemistry and material science research in both university and corporate settings.

Basic Information

Product Name	5-Ethyl-1,3-Dihydro-1-(2,3,5,6-Tetrafluorophenyl)-2H-Indol-2-One
CAS No.	220991-61-7
Molecular Formula	C₁₆H₁₁F₄NO
Molecular Weight	309.26 g/mol
Synonyms	1-(2,3,5,6-Tetrafluorophenyl)-5-ethylindolin-2-one; 5-Ethyl-1-(2,3,5,6-tetrafluorophenyl)indolin-2-one; 2H-Indol-2-one, 5-ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-; 220991-61-7; 5-Ethyl-1-(tetrafluorophenyl)indolin-2-one
EINECS	Contact for details

Quality Control

Our production of 5-Ethyl-1,3-Dihydro-1-(2,3,5,6-Tetrafluorophenyl)-2H-Indol-2-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, supporting your R&D and scale-up activities with reliable data.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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