Description

5,6-Dichloroindolin-2-One is a versatile and high-purity organic intermediate of significant importance in advanced chemical synthesis. Its core value lies in its role as a key building block for constructing complex heterocyclic frameworks, particularly in pharmaceutical research and development. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug candidates, particularly those with indole-based structures.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport or host materials in advanced display technologies.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized organic dyes and high-performance pigments.
• Academic and Industrial R&D: A valuable reagent for methodological studies and the discovery of new chemical entities in university and corporate laboratories.
• Ligand and Catalyst Development: Used to create novel ligands for metal-catalyzed reactions or organocatalysts.

Basic Information

Product Name	5,6-Dichloroindolin-2-One
CAS No.	71293-59-9
Molecular Formula	C8H5Cl2NO
Molecular Weight	202.04 g/mol
Synonyms	5,6-Dichloro-2,3-dihydro-1H-indol-2-one; 5,6-Dichloro-2-indolinone; 2-Indolinone, 5,6-dichloro-; 5,6-Dichlorooxindole; 5,6-Dichloro-1,3-dihydro-2H-indol-2-one; 5,6-Dichloro-2-oxindole
EINECS	Contact for details

Quality Control

Our 5,6-Dichloroindolin-2-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

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 when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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