5-Phenylthiophene-2-carboxaldehyde
5-Phenylthiophene-2-carboxaldehyde (CAS: 19163-21-4), a thiophene derivative with the molecular formula C11H8OS and a molecular weight of 188.25 g/mol, is a key organic building block. Characterised by its aldehyde functional group attached to a phenylthiophene core, it serves as a versatile intermediate in complex organic synthesis, particularly within the pharmaceutical and materials science sectors. Its structure lends itself to further chemical modification for the development of novel compounds.

Organic Synthesis Intermediate
Serves as a crucial building block in the synthesis of more complex organic molecules. The aldehyde functionality allows for various condensation, oxidation, and reduction reactions, enabling the construction of diverse chemical scaffolds.
Pharmaceutical Research
Utilised in the development of potential drug candidates and pharmaceutical intermediates. Its thiophene core and reactive aldehyde group are valuable for creating heterocyclic compounds with potential biological activity.
Materials Science
Involved in the synthesis of novel materials, such as organic semiconductors or functional polymers, where the thiophene moiety can impart desirable electronic or optical properties.
| Molecular weight | 188.25 |
|---|---|
| Empirical formula | C11H8OS |
| Assay | 98% |
| Melting point | 92-95 °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 5-Phenylthiophene-2-carboxaldehyde used for?
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5-Phenylthiophene-2-carboxaldehyde is primarily used as an intermediate in organic synthesis, particularly for pharmaceutical research and the development of new materials. It acts as a versatile building block for creating complex heterocyclic compounds.
What are the CAS number and formula for 5-Phenylthiophene-2-carboxaldehyde?
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The CAS number for 5-Phenylthiophene-2-carboxaldehyde is 19163-21-4, and its empirical formula is C11H8OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Phenylthiophene-2-carboxaldehyde with an assay of 98%. This product is typically supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 5-Phenylthiophene-2-carboxaldehyde?
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When handling 5-Phenylthiophene-2-carboxaldehyde, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. Refer to the Safety Data Sheet for comprehensive hazard information and safe handling procedures.
How is 5-Phenylthiophene-2-carboxaldehyde packed and shipped?
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Tech Serve Solutions expertly packs and ships fine chemicals globally, adhering to all necessary regulations for safe transport. For specific quantity or packaging requirements, please contact our sales team.
How can I request a sample or quote for 5-Phenylthiophene-2-carboxaldehyde?
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To request a sample or a detailed quotation for 5-Phenylthiophene-2-carboxaldehyde, please visit the 'Contact Us' section of our website or reach out to our dedicated sales support team.
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