Description

2-Oxoindoline-5-Sulphonyl Chloride 97 is a high-purity, reactive chemical intermediate primarily used in advanced organic synthesis. This compound is critical for researchers and manufacturers requiring precise and reliable building blocks for complex molecule construction. It is particularly valuable in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of biologically active molecules, including potential drug candidates targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for the development of specialized dyes and functional colorants.
• Material Science Research: Employed in the creation of novel polymers and advanced organic materials with specific functional properties.
• Chemical Biology Probes: Useful for synthesizing molecular probes and labeling reagents used in biochemical research and diagnostics.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and fine chemical companies engaged in custom synthesis projects.

Basic Information

Product Name	2-Oxoindoline-5-Sulphonyl Chloride 97
CAS No.	199328-31-9
Molecular Formula	C8H6ClNO3S
Molecular Weight	231.66 g/mol
Synonyms	5-Chlorosulfonyl-2-oxoindoline; 5-Chlorosulfonyl-2-indolinone; 2-Indolinone-5-sulfonyl chloride; 2-Oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride; Isatin-5-sulfonyl chloride (related); 1H-Indole-2,3-dione-5-sulfonyl chloride (related); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2-Oxoindoline-5-Sulphonyl Chloride 97 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, potency, and impurity profiles. A comprehensive 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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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