Description

1,3-Dihydrobenzo[C]Thiophene 2,2-Dioxide is a high-purity, specialized organic compound belonging to the class of sulfones. This versatile heterocyclic building block is critical for advanced chemical synthesis, offering a rigid, electron-deficient aromatic scaffold. It is primarily sought after by research institutions and industrial R&D departments engaged in the development of novel pharmaceuticals, agrochemicals, and functional materials. Its unique structure makes it a valuable intermediate for creating complex molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) drugs and enzyme inhibitors.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and insecticides due to its bioactive sulfone core.
• Material Science: Serves as a building block for organic semiconductors, liquid crystals, and polymers requiring specific electronic or structural characteristics.
• Organic Synthesis & Catalysis: Employed as a ligand or a substrate in catalytic reactions and cross-coupling chemistry to construct complex molecular architectures.
• Dye & Pigment Industry: Acts as an intermediate for synthesizing specialized dyes and optical brighteners.
• Academic & Contract Research: Essential for medicinal chemistry programs and discovery research in university and CRO laboratories.

Basic Information

Item	Details
Product Name	1,3-Dihydrobenzo[C]Thiophene 2,2-Dioxide
CAS No.	2471-91-2
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	1,3-Dihydrobenzo[c]thiophene-2,2-dioxide; 2,3-Dihydro-1-benzothiophene 1,1-dioxide; 1-Benzothiophene-2,2-dioxide, 2,3-dihydro-; Isothianaphthene 1,1-dioxide; 2,3-Dihydro-1-benzothiophene-1,1-dioxide; 1,1-Dioxo-2,3-dihydro-1-benzothiophene; 2,3-Dihydrobenzo[c]thiophene 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 1,3-Dihydrobenzo[C]Thiophene 2,2-Dioxide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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