2,2′-Bithiophene-5-carboxaldehyde
2,2′-Bithiophene-5-carboxaldehyde (CAS: 3779-27-9) is a thiophene derivative with the molecular formula C9H6OS2 and a molecular weight of 194.27 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of new materials and pharmaceuticals. Its bifunctional nature, featuring both thiophene rings and an aldehyde group, allows for diverse chemical transformations.
- Synonyms
- C9H6OS22,2'-Bithiophene-5-carbaldehyde5-Formyl-2,2'-bithiophene

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules, including heterocycles and functionalised thiophenes. Its reactive aldehyde group readily participates in condensation and addition reactions.
Materials Science Research
Serves as a precursor for conjugated polymers and organic semiconductors. Thiophene-based compounds are widely explored for their electronic and optical properties in advanced materials.
Pharmaceutical and Agrochemical Development
Employed in the research and development of novel pharmaceutical agents and agrochemicals, where the bithiophene scaffold can impart specific biological activities.
| Molecular weight | 194.27 |
|---|---|
| Empirical formula | C9H6OS2 |
| Assay | 98% |
| Melting point | 55-58 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2′-Bithiophene-5-carboxaldehyde used for?
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2,2′-Bithiophene-5-carboxaldehyde (CAS: 3779-27-9) is primarily used as a building block in organic synthesis for creating complex molecules, in materials science research for developing organic semiconductors, and in the research and development of pharmaceuticals and agrochemicals.
What is the CAS number and formula for 2,2′-Bithiophene-5-carboxaldehyde?
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The CAS number for 2,2′-Bithiophene-5-carboxaldehyde is 3779-27-9, and its molecular formula is C9H6OS2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2′-Bithiophene-5-carboxaldehyde with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2,2′-Bithiophene-5-carboxaldehyde be handled?
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Handling 2,2′-Bithiophene-5-carboxaldehyde requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, due to its classification with WGK Germany 3. Store in a cool, dry place away from incompatible materials.
Is 2,2′-Bithiophene-5-carboxaldehyde a controlled substance?
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The provided data does not indicate that 2,2′-Bithiophene-5-carboxaldehyde is a controlled substance.
How is 2,2′-Bithiophene-5-carboxaldehyde packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details for 2,2′-Bithiophene-5-carboxaldehyde are available upon request, adhering to international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 2,2′-Bithiophene-5-carboxaldehyde, please contact our sales department through the website or provide your details via the 'enquire' button.
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