Description

2,3-Dihydro-7-Nitrobenzo[B]Furan-5-Sulphonyl Chloride is a high-value, multi-functional chemical intermediate characterized by its reactive sulphonyl chloride and nitro-substituted benzofuran core. This compound matters for its critical role as a versatile building block in advanced organic synthesis, enabling the introduction of the sulphonamide moiety into complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Key intermediate in the synthesis of pharmaceutical candidates, particularly those targeting central nervous system (CNS) disorders.
• Building block for the development of novel sulphonamide-based agrochemicals, such as herbicides and fungicides.
• Precursor in material science for creating specialized polymers and dyes with specific electronic properties.
• Used in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Intermediate for the production of fluorescent probes or biological labeling agents due to its benzofuran scaffold.

Basic Information

Product Name	2,3-Dihydro-7-Nitrobenzo[B]Furan-5-Sulphonyl Chloride
CAS No.	874781-18-7
Molecular Formula	C8H6ClNO5S
Molecular Weight	263.66 g/mol
Synonyms	5-(Chlorosulfonyl)-2,3-dihydro-7-nitro-1-benzofuran; 7-Nitro-2,3-dihydrobenzofuran-5-sulfonyl chloride; 2,3-Dihydro-7-nitrobenzofuran-5-sulfonyl chloride; 874781-18-7; 5-Benzofuransulfonyl chloride, 2,3-dihydro-7-nitro-; Nitrobenzofuransulfonyl chloride intermediate
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-7-Nitrobenzo[B]Furan-5-Sulphonyl Chloride is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 nature, the container must be kept tightly sealed in a dry environment to prevent moisture ingress and decomposition. Keep away from incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.