5-Fluoro-2,3-thiophenedicarboxaldehyde
5-Fluoro-2,3-thiophenedicarboxaldehyde (CAS: 1015071-22-3) is a heterocyclic organic compound with the molecular formula C6H3FO2S and a molecular weight of 158.15 g/mol. Characterised by its thiophene ring substituted with two aldehyde groups and a fluorine atom, it serves as a valuable building block in synthetic organic chemistry. This compound is primarily utilised in research and development for the synthesis of more complex molecules, particularly in areas requiring fluorinated thiophene derivatives.
- IUPAC
- 5-Fluoro-thiophene-2,3-dicarbaldehyde
- Synonyms
- C6H3FO2S5-Fluoro-thiophene-2,3-dicarbaldehyde

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of various complex organic molecules. Its difunctional nature allows for diverse chemical transformations, making it a versatile building block for medicinal chemistry and materials science research.
Heterocyclic Chemistry
As a fluorinated thiophene derivative, it is instrumental in the study and development of novel heterocyclic compounds. These structures are often explored for their potential applications in pharmaceuticals and organic electronics.
Materials Science
The unique electronic properties imparted by the fluorinated thiophene core make this compound a candidate for incorporation into advanced materials. Research may explore its use in organic semiconductors or conductive polymers.
| Molecular weight | 158.15 |
|---|---|
| Empirical formula | C6H3FO2S |
| Assay | 97% |
| Melting point | 41-44 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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-Fluoro-2,3-thiophenedicarboxaldehyde used for?
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5-Fluoro-2,3-thiophenedicarboxaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly for research into novel heterocyclic compounds, pharmaceuticals, and materials science applications.
What is the CAS number and molecular formula for 5-Fluoro-2,3-thiophenedicarboxaldehyde?
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The CAS number is 1015071-22-3, and the empirical formula is C6H3FO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Fluoro-2,3-thiophenedicarboxaldehyde with a purity of 97%. This is a technical or research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should 5-Fluoro-2,3-thiophenedicarboxaldehyde be handled?
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This compound is classified as harmful if swallowed and causes serious eye irritation (H302, H319). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Ensure good ventilation and avoid dust formation. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do.
How is 5-Fluoro-2,3-thiophenedicarboxaldehyde packed and exported?
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Tech Serve Solutions offers this chemical for global export, carefully packed according to international shipping regulations to ensure safe transport and product integrity.
How can I request a sample or quote for 5-Fluoro-2,3-thiophenedicarboxaldehyde?
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To request a sample or obtain a quotation, please contact the Tech Serve Solutions sales department through our website or by phone, providing your specific requirements.
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