Description

Benzo[B]Thiophene, 3-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci) is a high-purity, specialized organic compound with the CAS number 342623-78-3, serving as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique sulfone and ethoxy-substituted dihydrobenzothiophene structure makes it a critical precursor for developing novel materials and active pharmaceutical ingredients (APIs). This compound is essential for research and development chemists and process engineers working in pharmaceuticals, agrochemicals, and materials science.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor binding profiles.
• Agrochemical Research: Used as a precursor in developing new herbicides, fungicides, or insecticides with enhanced efficacy and environmental profiles.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure for synthesizing advanced electron-transport or host materials in display and lighting technologies.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalytic systems used in asymmetric synthesis.
• Polymer and Material Science: Acts as a monomer or modifier for producing high-performance polymers with specific thermal or electronic properties.
• Academic and Industrial R&D: A crucial reagent for methodological studies in organic synthesis, including cyclization and functionalization reactions.

Basic Information

Product Name	Benzo[B]Thiophene, 3-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci)
CAS No.	342623-78-3
Molecular Formula	C10H12O3S
Molecular Weight	212.26 g/mol
Synonyms	3-Ethoxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide; 2,3-Dihydro-3-ethoxybenzo[b]thiophene 1,1-dioxide; 3-Ethoxy-1,1-dioxo-2,3-dihydro-1-benzothiophene; 3-Ethoxy-2,3-dihydro-1-benzothiophene 1,1-dioxide; Benzo[b]thiophene, 3-ethoxy-2,3-dihydro-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene, 3-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. We support cGMP compliance for pharmaceutical applications and can provide material to meet specific customer specifications and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as 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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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