Description

3-Ethyl-5-Chloro-Indolin-2-One is a high-purity, synthetically derived indolinone derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its functionalized heterocyclic structure, which provides a versatile scaffold for constructing complex molecules with targeted biological or material properties. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, oncology, and inflammation.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport or host materials in the creation of efficient display and lighting technologies.
• Dye and Pigment Synthesis: Acts as an intermediate for producing specialized dyes and organic pigments with specific color fastness and stability properties.
• Academic and Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and the exploration of new synthetic pathways.
• Material Science: Investigated for use in the synthesis of polymers and advanced organic materials with tailored electronic or photophysical characteristics.

Basic Information

Product Name	3-Ethyl-5-Chloro-Indolin-2-One
CAS No.	797051-96-8
Molecular Formula	C10H10ClNO
Molecular Weight	195.65 g/mol
Synonyms	5-Chloro-3-ethylindolin-2-one; 3-Ethyl-5-chloro-2-indolinone; 2-Indolinone, 5-chloro-3-ethyl-; 5-Chloro-3-ethyl-1,3-dihydro-2H-indol-2-one; 797051-96-8; 3-Ethyl-5-chlorooxindole
EINECS	Contact for details

Quality Control

Our 3-Ethyl-5-Chloro-Indolin-2-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet rigorous customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

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 away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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