Description

4,4-Dihexyl-4H-cyclopenta[2,1-b:3,4-b’]dithiophene-2,6-dicarbaldehyde (CAS: 1679381-53-3) is a high-purity organic compound with the molecular formula C₂₃H₃₀O₂S₂. This specialized chemical features a unique cyclopentadithiophene (CPDT) core functionalized with dihexyl chains and dicarbaldehyde groups, making it a valuable building block for advanced materials research. The compound’s extended π-conjugation and electron-deficient aldehyde moieties render it particularly useful in the synthesis of conjugated polymers and small molecules for optoelectronic applications. With an IUPAC name of 7,7-dihexyl-3,11-dithiatricyclo[6.3.0.0^2,6]undeca-1(8),2(6),4,9-tetraene-4,10-dicarbaldehyde, this product is supplied as a stable solid with rigorous quality control to ensure batch-to-batch consistency for research applications. Ideal for use in organic electronics, this material is particularly suited for developing novel organic semiconductors, photovoltaic materials, and electrochromic devices.

Properties

• CAS Number: 1679381-53-3
• Complexity: 451
• IUPAC Name: 7,7-dihexyl-3,11-dithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4,9-tetraene-4,10-dicarbaldehyde
• InChI: InChI=1S/C23H30O2S2/c1-3-5-7-9-11-23(12-10-8-6-4-2)19-13-17(15-24)26-21(19)22-20(23)14-18(16-25)27-22/h13-16H,3-12H2,1-2H3
• InChI Key: OZRDIWMKQZPIAO-UHFFFAOYSA-N
• Exact Mass: 402.16872254
• Molecular Formula: C23H30O2S2
• Molecular Weight: 402.6
• SMILES: CCCCCCC1(C2=C(C3=C1C=C(S3)C=O)SC(=C2)C=O)CCCCCC
• Topological: 90.6
• Monoisotopic Mass: 402.16872254
• Synonyms: 4,4-Dihexyl-4H-cyclopenta[2,1-b:3,4-b’]dithiophene-2,6-dicarbaldehyde, 1679381-53-3

Application

This compound serves as a key precursor for synthesizing conjugated polymers in organic photovoltaics (OPVs) and organic field-effect transistors (OFETs). The dialdehyde functionality enables efficient condensation reactions with various aromatic amines to form high-performance donor-acceptor materials. Researchers utilize this building block to develop narrow bandgap materials for near-infrared (NIR) absorption applications. The dihexyl side chains enhance solubility while maintaining effective π-π stacking in thin film devices.

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