Description

3-Chloroacetylbenzo-B-Thiophene*Crystalline is a high-purity, crystalline organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a versatile building block in the development of complex heterocyclic molecules, particularly within the pharmaceutical sector. Industries that require it include pharmaceutical R&D for active pharmaceutical ingredient (API) synthesis, agrochemical manufacturing for novel crop protection agents, and advanced material science for organic electronic components.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel benzothiophene-based drug candidates, particularly for central nervous system (CNS) and oncology targets.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and fungicides that leverage the benzothiophene scaffold.
• Material Science Research: Serves as a monomer or building block for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials.
• Chemical Research & Development: Employed as a versatile electrophile in organic synthesis for constructing complex heterocyclic frameworks via reactions like Friedel-Crafts acylation and nucleophilic substitution.
• Dye & Pigment Intermediate: Acts as a precursor for synthesizing specialized dyes and pigments with unique light-absorption properties.

Basic Information

Product Name	3-Chloroacetylbenzo-B-Thiophene*Crystalline
CAS No.	26167-44-2
Molecular Formula	C10H7ClOS
Molecular Weight	210.68 g/mol
Synonyms	3-Chloroacetylbenzo[b]thiophene; 1-(Benzo[b]thien-3-yl)-2-chloroethanone; 2-Chloro-1-(3-benzothienyl)ethanone; 3-(Chloroacetyl)benzo[b]thiophene; 3-Chloroacetylbenzothiophene; 3-Benzothienyl chloromethyl ketone; 1-(3-Benzothienyl)-2-chloroethanone
EINECS	Contact for details

Quality Control

Our 3-Chloroacetylbenzo-B-Thiophene*Crystalline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity verification and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.