Description

Benzo[B]Thiophene-2-Carboxylic Acid, 3,6-Dichloro-, 2-[(2-Fluoro-5-Nitrophenyl)Amino]-2-Oxoethyl Ester (9Ci) is a high-purity, complex heterocyclic ester building block designed for advanced chemical synthesis. This compound matters for its role as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and specialty agrochemicals, where its specific molecular architecture enables precise functionalization. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for their R&D and scale-up activities.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its dichloro and nitro-substituted aromatic system.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex molecules due to its multiple reactive sites for further functionalization.
• Material Science Precursor: Potential use in the synthesis of organic semiconductors or specialty polymers where the benzo[b]thiophene core contributes to electronic properties.
• Chemical Biology Probe Development: Utilized in creating labeled compounds or molecular probes for studying biological mechanisms.

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxylic Acid, 3,6-Dichloro-, 2-[(2-Fluoro-5-Nitrophenyl)Amino]-2-Oxoethyl Ester (9Ci)
CAS No.	587838-69-5
Molecular Formula	C₁₇H₉Cl₂FN₂O₅S
Molecular Weight	443.23 g/mol
Synonyms	3,6-Dichlorobenzo[b]thiophene-2-carboxylic acid 2-[(2-fluoro-5-nitrophenyl)amino]-2-oxoethyl ester; 2-[(2-Fluoro-5-nitrophenyl)carbamoyl]methyl 3,6-dichlorobenzo[b]thiophene-2-carboxylate; 587838-69-5; 9CI; Ethyl 2-[[(2-fluoro-5-nitrophenyl)amino]oxomethyl]-3,6-dichloro-1-benzothiophene-2-carboxylate; Benzo[b]thiophene-2-carboxylic acid, 3,6-dichloro-, 2-[(2-fluoro-5-nitrophenyl)amino]-2-oxoethyl ester
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-2-Carboxylic Acid, 3,6-Dichloro-, 2-[(2-Fluoro-5-Nitrophenyl)Amino]-2-Oxoethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing batch-specific results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound should be handled as a moisture-sensitive material. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
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.