5-(4-Fluorophenyl)thiophene-2-carboxylic acid
5-(4-Fluorophenyl)thiophene-2-carboxylic acid (CAS: 115933-30-7; Formula: C11H7FO2S; Molar Mass: 222.24 g/mol) is a specialised heterocyclic building block supplied by Tech Serve Solutions. This fluorinated thiophene derivative is primarily utilised in chemical synthesis for research and development. Its well-defined structure and purity make it a valuable intermediate for constructing more complex organic molecules, particularly in the fields of medicinal chemistry and materials science.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of novel organic compounds. Its fluorinated phenyl and thiophene moieties offer unique reactivity for further functionalization.
Medicinal Chemistry Research
Used in the development of potential pharmaceutical agents. The incorporation of fluorine and heterocyclic structures can influence a molecule's pharmacokinetic and pharmacodynamic properties.
Materials Science
Can be employed in the design and synthesis of advanced materials, such as organic semiconductors or polymers, where its electronic and structural properties are beneficial.
| Molecular weight | 222.24 |
|---|---|
| Empirical formula | C11H7FO2S |
| Assay | 97% |
| Melting point | 250-254 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| 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-(4-Fluorophenyl)thiophene-2-carboxylic acid used for?
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5-(4-Fluorophenyl)thiophene-2-carboxylic acid is primarily used as a building block in organic synthesis, particularly in medicinal chemistry research and materials science due to its fluorinated phenyl and thiophene structure.
What are the CAS number and formula for this compound?
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The CAS number is 115933-30-7, and the empirical formula is C11H7FO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(4-Fluorophenyl)thiophene-2-carboxylic acid with an assay of 97%. This product is intended for research and chemical synthesis, and TSS does not represent it as USP, BP, or EP grade.
How should 5-(4-Fluorophenyl)thiophene-2-carboxylic acid be handled safely?
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This compound is classified as a Warning substance (GHS07) and causes serious eye irritation (H319). Handle with care, using appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator filter (type N95 or P1). P305 + P351 + P338 precautions apply.
Is this chemical exported or shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, including 5-(4-Fluorophenyl)thiophene-2-carboxylic acid.
How can I request a sample or quote for this product?
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To request a sample or a quote, please contact our sales team directly via the TSS website or by calling our customer service line.
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