5-(4-Fluorophenyl)thiophene-2-carboxylic acid hydrazide
5-(4-Fluorophenyl)thiophene-2-carboxylic acid hydrazide (CAS: 852296-85-6) is a heterocyclic organic compound with the molecular formula C11H9FN2OS and a molecular weight of 236.27 g/mol. This fluorinated thiophene derivative serves as a valuable building block in organic synthesis. It is utilised in the development of novel chemical entities for research and discovery across various scientific disciplines.
- IUPAC
- 5-(4-Fluorophenyl)thiophene-2-carbohydrazide

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its structure allows for diverse chemical transformations, making it useful in constructing novel compounds for research.
Pharmaceutical Research
As a fluorinated heterocyclic building block, it can be employed in the discovery and development of new pharmaceutical agents. The fluorine atom can influence pharmacokinetic properties, while the thiophene and hydrazide moieties offer sites for further functionalization.
Materials Science
The unique structural features may lend themselves to applications in materials science, potentially in the development of functional organic materials or ligands for coordination chemistry.
| Molecular weight | 236.27 |
|---|---|
| Empirical formula | C11H9FN2OS |
| Assay | 97% |
| Melting point | 191-195 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
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 hydrazide used for?
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5-(4-Fluorophenyl)thiophene-2-carboxylic acid hydrazide is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and the development of novel chemical entities.
What is the CAS number and molecular formula?
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The CAS number is 852296-85-6, and the molecular formula is C11H9FN2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. We do not represent it as USP, BP, EP, or any other pharmacopoeial grade.
How should this chemical be handled?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It is also harmful if swallowed (H302). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent), in a well-ventilated area. Avoid breathing dust.
How is this product packed and exported?
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Tech Serve Solutions, a global supplier and exporter, ensures products are appropriately packaged for safe transit and compliance with international shipping regulations.
How can I request a quote or sample?
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To request a quote or sample, please contact the Tech Serve Solutions sales team via our website or by telephone.
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