Description

Benzo[B]Thiophene, 2-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci) is a high-purity, specialized organic intermediate of significant interest in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring precise and reliable fine chemicals for research and production, such as pharmaceutical R&D, agrochemical manufacturing, and advanced material science, are the primary users of this material.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the research and development of new generation herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or functional additive in the development of advanced polymers and organic electronic materials.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex heterocyclic frameworks due to its unique sulfone and ether functionalities.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	Benzo[B]Thiophene, 2-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci)
CAS No.	342623-76-1
Molecular Formula	C10H12O3S
Molecular Weight	212.26 g/mol
Synonyms	2-Ethoxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide; 2,3-Dihydro-2-ethoxybenzo[b]thiophene 1,1-dioxide; 2-Ethoxy-1,1-dioxo-2,3-dihydro-1-benzothiophene; 2-Ethoxy-2,3-dihydro-1-benzothiophene 1,1-dioxide; Benzo[b]thiophene, 2-ethoxy-2,3-dihydro-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene, 2-Ethoxy-2,3-Dihydro-, 1,1-Dioxide (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for applications requiring the highest level of quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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