Description

5-Bromothieno[3,2-b]thiophene-2-carbaldehyde (CAS No. 1368136-83-7) is a high-purity heterocyclic organic compound with the molecular formula C₇H₃BrOS₂. This specialized reagent features a brominated thienothiophene core functionalized with a carbaldehyde group, making it a valuable building block for advanced organic synthesis and materials science applications. The compound is characterized by its distinctive thiophene-thiophene fused ring system, which imparts unique electronic properties ideal for the development of conductive polymers, organic semiconductors, and pharmaceutical intermediates. Supplied as a crystalline solid with ≥95% purity (HPLC), this product is rigorously tested for consistency and stability. Proper storage under inert atmosphere at 2-8°C is recommended to maintain optimal performance. Suitable for research use only (RUO) in controlled laboratory environments.

Properties

• CAS Number: 1368136-83-7
• Complexity: 176
• IUPAC Name: 5-bromothieno[3,2-b]thiophene-2-carbaldehyde
• InChI: InChI=1S/C7H3BrOS2/c8-7-2-6-5(11-7)1-4(3-9)10-6/h1-3H
• InChI Key: MRXWVFFGLOUKTH-UHFFFAOYSA-N
• Exact Mass: 245.88087
• Molecular Formula: C7H3BrOS2
• Molecular Weight: 247.1
• SMILES: C1=C(SC2=C1SC(=C2)Br)C=O
• Topological: 73.6
• Monoisotopic Mass: 245.88087
• Synonyms: 5-Bromothieno[3,2-b]thiophene-2-carbaldehyde, 1368136-83-7, SCHEMBL15989403, DTXSID701246658, EN300-221323, 5-Bromothieno[3,2-b]thiophene-2-carboxaldehyde

Application

5-Bromothieno[3,2-b]thiophene-2-carbaldehyde serves as a key precursor in the synthesis of π-conjugated systems for organic electronic devices. Researchers utilize this compound to develop novel thiophene-based polymers with tailored optoelectronic properties for OLED and OPV applications. The bromine substituent enables further functionalization via cross-coupling reactions, while the aldehyde group provides a handle for condensation reactions in heterocyclic chemistry. This building block is particularly valuable in medicinal chemistry for creating fused heteroaromatic scaffolds with potential biological activity.

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