Description

5,6-Dichloro-1H-Indole-2,3-Dione CAS NO 1677-48-1 is a halogenated isatin derivative, a versatile and high-value heterocyclic building block in organic synthesis. Its core value lies in its functionalized indole scaffold, which serves as a critical precursor for developing complex molecules with targeted biological activity. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for the development of potential drug candidates, including kinase inhibitors, antimicrobial agents, and compounds targeting central nervous system disorders.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and plant growth regulators, leveraging its bioactive halogenated indole structure.
• Organic Synthesis Building Block: Serves as a versatile precursor for constructing complex heterocyclic systems, such as quinolines and fused indole derivatives, via condensation and cyclization reactions.
• Dye and Pigment Intermediate: Utilized in the research and development of specialized organic colorants and functional dyes due to its chromophoric isatin core.
• Material Science Research: Investigated as a monomer or functional component in the synthesis of advanced polymers and organic electronic materials.

Basic Information

Product Name	5,6-Dichloro-1H-Indole-2,3-Dione
CAS No.	1677-48-1
Molecular Formula	C8H3Cl2NO2
Molecular Weight	216.02 g/mol
Synonyms	5,6-Dichloroisatin; 5,6-Dichloro-2,3-dihydroindole-2,3-dione; 5,6-Dichloro-1H-indole-2,3-dione; 5,6-Dichlorooxindole; 2,3-Dihydro-5,6-dichloro-2,3-dioxoindole; Isatin, 5,6-dichloro-; 5,6-Dichloroindoline-2,3-dione
EINECS	Contact for details

Quality Control

Our 5,6-Dichloro-1H-Indole-2,3-Dione is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Yellow to orange 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%

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