Description

Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 2-(2,5-Dimethylphenyl)-2-Oxoethyl Ester (9Ci) is a high-purity, specialized organic intermediate of significant interest in advanced chemical synthesis. Its complex molecular architecture, featuring a benzothiophene core with chloro and ester functionalities, makes it a valuable building block for creating novel compounds with specific properties. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is utilized in the synthesis of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the research and synthesis of new drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, or fungicides where the benzothiophene moiety imparts desired biological activity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as semiconductors or light-emitting components, due to its conjugated system.
• Chemical Research & Development: A versatile scaffold for medicinal chemistry and process chemistry for creating libraries of novel compounds.
• Dye & Pigment Intermediate: Potential use in synthesizing specialized colorants and functional dyes for high-tech applications.

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 2-(2,5-Dimethylphenyl)-2-Oxoethyl Ester (9Ci)
CAS No.	587836-85-9
Molecular Formula	C19H15ClO3S
Molecular Weight	358.84 g/mol
Synonyms	3-Chloro-2-(2,5-dimethylphenacyl)thiochromone-2-carboxylate; 2-(2,5-Dimethylphenyl)-2-oxoethyl 3-chlorobenzo[b]thiophene-2-carboxylate; 3-Chlorobenzo[b]thiophene-2-carboxylic acid 2-(2,5-dimethylphenyl)-2-oxoethyl ester; (2,5-Dimethylphenacyl) 3-chlorobenzo[b]thiophene-2-carboxylate; 3-Chloro-1-benzothiophene-2-carboxylic acid 2-(2,5-dimethylphenyl)-2-oxoethyl ester; 9CI Index Name Ester
EINECS	Contact for details

Quality Control

Our production of Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 2-(2,5-Dimethylphenyl)-2-Oxoethyl Ester (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
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.