Description

Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-6-Methoxy-, 4-Chloro-3-Methylphenyl Ester (9Ci) is a high-purity, synthetically valuable organic intermediate characterized by its multi-substituted benzo[b]thiophene core. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the development of novel molecules with targeted properties. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Acts as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial laboratories for complex organic transformations and the construction of fused ring systems.
• Ligand & Catalyst Development: Utilized to create novel ligands for metal catalysis or as a framework for catalyst design in specialty chemical manufacturing.

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-6-Methoxy-, 4-Chloro-3-Methylphenyl Ester (9Ci)
CAS No.	587842-30-6
Molecular Formula	C17H12Cl2O3S
Molecular Weight	367.25 g/mol
Synonyms	3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylic acid 4-chloro-3-methylphenyl ester; 4-Chloro-3-methylphenyl 3-chloro-6-methoxy-1-benzothiophene-2-carboxylate; 3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylic acid (4-chloro-3-methylphenyl) ester; 587842-30-6; 4-Chloro-3-methylphenyl 3-chloro-6-methoxybenzo[b]thiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-6-Methoxy-, 4-Chloro-3-Methylphenyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 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
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.