Ethyl 5-Bromothiophene-2-carboxylate TCI E1111

Chemical Identity

Other names: 5-Bromothiophene-2-carboxylic Acid Ethyl Ester
CAS No.: 5751-83-7
PubChem: CID 605723·SID 253661302
Formula: C7H7BrO2S
Molecular weight: 235.10 g/mol
Purity: >98.0%(GC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: ethyl 5-bromothiophene-2-carboxylate
SMILES: CCOC(=O)C1=CC=C(S1)Br
InChIKey: PZNHMXAOMDQLLE-UHFFFAOYSA-N
MDL: MDL02683089

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Ethyl 5-Bromothiophene-2-carboxylate 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, particularly in the development of new molecules with biological activity. Its unique molecular structure, consisting of a thiophene ring linked to a carboxylate group and a bromo group, makes it a versatile reagent for various chemical reactions. Due to its reactivity, it is often employed in substitution and coupling reactions, where it serves as a key intermediate.

The compound's chemical properties make it a preferred choice for researchers. The bromo group at the 5-position significantly influences its reactivity, allowing it to act as a valuable substrate in substitution reactions. Its stability under certain conditions ensures reliable performance in laboratory settings, while its reactivity enables the synthesis of complex molecules. These characteristics make it an essential tool for chemists working on the development of pharmaceuticals and advanced materials.

In Indonesian laboratories, Ethyl 5-Bromothiophene-2-carboxylate is commonly used in organic chemistry research, especially in the fields of pharmacology and chemical materials. Local researchers frequently utilize this compound to explore new synthetic pathways and to develop compounds with potential therapeutic applications. Its role in creating bioactive molecules makes it a key component in both academic and industrial research settings.

TCI brochures (PDF)

Thiophenes 2026-06-29 · p. 5

Related TCI products

Organic synthesis of heterocyclic compounds due to its reactive thiophene ring and bromo substituent.
Development of pharmaceuticals as a precursor for bioactive molecule synthesis.
Coupling reactions where the bromo group facilitates substitution and functional group modification.
Research in chemical materials for the creation of advanced polymers and functional compounds.
Structural modification of thiophene derivatives for tailored chemical properties in drug design.

Brand	TCI
CAS number	5751-83-7
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 supplier packaging
Storage	Store in a cool, dry place away from light and incompatible substances

Ethyl 5-Bromothiophene-2-carboxylate 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 exposure to moisture and air. Due to its reactivity, it should be handled in a well-ventilated area, preferably under a fume hood. Avoid contact with incompatible materials such as strong oxidizing agents. Always use appropriate personal protective equipment, including gloves and safety goggles, when handling this compound. Proper storage and handling ensure the compound remains stable and safe for use in laboratory applications.

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