Description

1H-Indole-2,3-Dione, 6-Ethyl-5,7-Difluoro- (9Ci) is a specialized fluorinated isatin derivative, a high-value intermediate in advanced organic synthesis. This compound matters for its role as a critical building block in the development of novel pharmaceuticals and agrochemicals, where its unique substitution pattern enables precise molecular design. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new-generation herbicides and pesticides, leveraging the biological activity of the fluorinated indole scaffold.
• Material Science: Acts as a monomer or functionalizing agent in the creation of specialty polymers and organic electronic materials.
• Chemical Biology: Employed as a probe or labeling reagent in biochemical research due to its reactive carbonyl groups.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, including cross-coupling and fluorination reactions.

Basic Information

Product Name	1H-Indole-2,3-Dione, 6-Ethyl-5,7-Difluoro- (9Ci)
CAS No.	749241-79-0
Molecular Formula	C10H7F2NO2
Molecular Weight	211.17 g/mol
Synonyms	6-Ethyl-5,7-difluoro-1H-indole-2,3-dione; 5,7-Difluoro-6-ethylisatin; 6-Ethyl-5,7-difluoroindoline-2,3-dione; 6-Ethyl-5,7-difluoro-2,3-dihydro-1H-indole-2,3-dione; 749241-79-0; 5,7-Difluoro-6-ethyl-1H-indole-2,3-dione; 6-Ethyl-5,7-difluorooxindole
EINECS	Contact for details

Quality Control

Our 1H-Indole-2,3-Dione, 6-Ethyl-5,7-Difluoro- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.