Benzo[b]thiophene-2-carboxaldehyde TCI B3777

Chemical Identity

CAS No.: 3541-37-5
PubChem: CID 736500·SID 135727117
Formula: C9H6OS
Molecular weight: 162.21 g/mol
Purity: >98.0%(GC)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 1-benzothiophene-2-carbaldehyde
SMILES: C1=CC=C2C(=C1)C=C(S2)C=O
InChIKey: NXSVNPSWARVMAY-UHFFFAOYSA-N

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Benzo[b]thiophene-2-carboxaldehyde is a chemical compound widely used as a building block in the synthesis of heterocyclic compounds. This compound plays a crucial role in organic chemistry laboratories, where it serves as a foundational element for constructing more complex molecular structures. Its unique molecular structure, combining a benzene ring with a thiophene ring, makes it highly valuable for researchers aiming to develop new compounds with specific functional properties. As a versatile reagent, it supports a range of chemical reactions, making it an essential tool for synthetic chemists.

The compound is known for its chemical stability and moderate reactivity, which allows it to participate in various reaction types such as condensation, substitution, and cross-coupling reactions. Its aldehyde functional group enhances its reactivity, enabling it to interact with a wide array of reagents. These properties make it a preferred choice for researchers seeking to explore new synthetic pathways and functional group modifications. Its flexibility and reliability in laboratory settings contribute to its widespread use in both academic and industrial research environments.

In Indonesian laboratories, Benzo[b]thiophene-2-carboxaldehyde is commonly utilized in organic chemistry research, particularly in universities and research institutions. It is an essential component in the development of new pharmaceuticals, materials, and chemical intermediates. Its availability and applicability in diverse synthetic strategies make it a key reagent for advancing chemical research in the region.

TCI brochures (PDF)

Thiophenes 2026-06-29 · p. 11
Building Blocks for Organic Semiconductor 2026-03-24 · p. 27

Related TCI products

Organic synthesis applications benefit from its role as a versatile building block for creating complex heterocyclic structures.
Pharmaceutical research utilizes this compound to develop new drug molecules with specific therapeutic properties.
Material science studies employ it to synthesize functional materials with unique chemical and physical properties.
Academic research in chemistry laboratories uses it as a standard reagent for teaching and experimental purposes.
Industrial chemical production incorporates it as an intermediate in the manufacturing of specialty chemicals and fine chemicals.

Brand	TCI
CAS number	3541-37-5
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Heterocyclic Building Blocks
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid or liquid, depending on the specific product variant
Storage	Store in a cool, dry place away from light and incompatible substances

Benzo[b]thiophene-2-carboxaldehyde should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to keep the compound in a sealed container to prevent moisture absorption and contamination. Suitable storage containers include glass or high-density polyethylene (HDPE) bottles, which are resistant to chemical reactions. In laboratory settings, it is important to handle the compound with appropriate personal protective equipment (PPE) such as gloves and safety goggles. Avoid exposure to incompatible materials like strong oxidizing agents. Always ensure proper ventilation when working with this compound to minimize inhalation risks. Regular monitoring of storage conditions ensures the compound remains stable and suitable for use in chemical experiments.

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