Description

Benzo[B]Thiophene-2-Carboxaldehyde is a versatile aromatic heterocyclic building block, specifically a thiophene derivative functionalized with an aldehyde group. This compound is crucial for its role as a key synthetic intermediate in the development of complex organic molecules, particularly in pharmaceutical and materials chemistry. It is primarily sought by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides, leveraging the thiophene scaffold for bioactivity.
• Organic Electronic Materials: Serves as a building block for π-conjugated systems in the manufacture of organic semiconductors, OLEDs (Organic Light-Emitting Diodes), and sensors.
• Ligand and Catalyst Development: The aldehyde group allows for the creation of Schiff base ligands used in coordination chemistry and catalysis.
• Dye and Pigment Manufacturing: Acts as a starting material for synthesizing specialized dyes and functional pigments.
• Academic and Industrial Research: A valuable reagent for methodological studies in organic synthesis and for exploring new chemical spaces in medicinal chemistry.

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxaldehyde
CAS No.	3541-37-5
Molecular Formula	C9H6OS
Molecular Weight	162.21 g/mol
Synonyms	2-Formylbenzo[b]thiophene; 2-Benzothiophenecarboxaldehyde; 1-Benzothiophene-2-carbaldehyde; Benzothiophene-2-carbaldehyde; 2-Benzothienylcarboxaldehyde; 2-Benzothienylaldehyde; BT-2-CHO; 2-Carboxyaldehydebenzothiophene
EINECS	222-585-3

Quality Control

Our Benzo[B]Thiophene-2-Carboxaldehyde is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports development from research to commercial scale, ensuring reliable supply for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or after opening. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to pale yellow 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.