Description

5-(Chlorosulfonyl) Isatin is a versatile and highly reactive chemical building block, primarily used as a key intermediate in organic synthesis. Its value lies in the chlorosulfonyl group, which enables efficient derivatization and the construction of complex heterocyclic structures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules, particularly those with isatin-based or sulfonamide-based pharmacophores.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Organic Synthesis Building Block: Serves as a versatile starting material for creating a wide array of heterocyclic compounds, dyes, and functional materials.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chemical entities and reaction pathways in medicinal chemistry.
• Fine Chemical Production: Integral to the manufacture of specialized, high-value chemicals used in various advanced technological applications.

Basic Information

Product Name	5-(Chlorosulfonyl) Isatin
CAS No.	132898-96-5
Molecular Formula	C8H4ClNO4S
Molecular Weight	245.64 g/mol
Synonyms	5-Chlorosulfonylisatin; 5-Chlorosulfonyl-1H-indole-2,3-dione; Isatin-5-sulfonyl chloride; 1H-Indole-2,3-dione, 5-(chlorosulfonyl)-; 5-Sulfonyl chloride isatin
EINECS	Contact for details

Quality Control

Our 5-(Chlorosulfonyl) Isatin is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality for your critical processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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