Description

2-Oxo-1,2-Dihydrobenzo[Cd]Indole-6-Sulfonyl Chloride(Saltdata: Free) is a high-purity, specialized organic intermediate of significant importance in advanced synthetic chemistry. Its core value lies in its role as a versatile sulfonylating and coupling agent, enabling the precise construction of complex heterocyclic molecules. This compound is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, particularly for synthesizing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those with indole-based or sulfonamide pharmacophores.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators requiring specific heterocyclic scaffolds.
• Material Science Research: Serves as a precursor for creating functional dyes, organic semiconductors, and photoactive polymers.
• Chemical Biology Probes: Employed in the design and synthesis of activity-based probes and molecular tags for studying biological systems.
• Custom Synthesis & Contract Manufacturing: A critical reagent for fine chemical and CDMO (Contract Development and Manufacturing Organization) companies offering bespoke synthesis services.

Basic Information

Product Name	2-Oxo-1,2-Dihydrobenzo[Cd]Indole-6-Sulfonyl Chloride(Saltdata: Free)
CAS No.	78078-92-9
Molecular Formula	C11H6ClNO3S
Molecular Weight	267.69 g/mol
Synonyms	Benzo[cd]indol-2(1H)-one, 6-(chlorosulfonyl)-; 6-Chlorosulfonyl-1,2-dihydro-2-oxobenzo[cd]indole; 2-Oxobenzo[cd]indole-6-sulfonyl chloride; 1,2-Dihydro-2-oxobenzo[cd]indole-6-sulfonyl chloride; 6-(Chlorosulfonyl)-1H-benzo[cd]indol-2(1H)-one; 78078-92-9 (CAS Name); BCI-6-Sulfonyl Chloride (abbrev.)
EINECS	Contact for details

Quality Control

Every batch of 2-Oxo-1,2-Dihydrobenzo[Cd]Indole-6-Sulfonyl Chloride is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and cGMP manufacturing. A detailed Certificate of Analysis (COA) is supplied with each shipment, documenting identity, purity, and impurity profiles as determined by advanced chromatographic and spectroscopic methods.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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