Description

Benzo[B]Thiophene-3-Carboxylic Acid, 2-[(Aminosulfonyl)Amino]-4,5,6,7-Tetrahydro-, Ethyl Ester (9Ci) is a high-purity, functionalized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmacologically active molecules, particularly in medicinal chemistry research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, or metabolic diseases.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its fused thiophene-carboxylate structure.
• Material Science Precursor: Serves as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Biology Probe Development: Utilized to create labeled compounds or activity-based probes for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds for client projects.
• Academic & Institutional Research: A valuable reagent for universities and research institutes exploring new synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	Benzo[B]Thiophene-3-Carboxylic Acid, 2-[(Aminosulfonyl)Amino]-4,5,6,7-Tetrahydro-, Ethyl Ester (9Ci)
CAS No.	92932-03-1
Molecular Formula	C12H16N2O4S2
Molecular Weight	316.40 g/mol
Synonyms	2-[(Aminosulfonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid ethyl ester; Ethyl 2-(sulfamoylamino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate; 4,5,6,7-Tetrahydro-2-[(sulfamoyl)amino]-1-benzothiophene-3-carboxylic Acid Ethyl Ester; 92932-03-1; 2-(Sulfamoylamino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-3-Carboxylic Acid, 2-[(Aminosulfonyl)Amino]-4,5,6,7-Tetrahydro-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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