Trifluorothymine
Trifluorothymine (CAS: 54-20-6) is a fluorinated pyrimidine derivative with the molecular formula C5H3F3N2O2 and a molecular weight of 180.08 g/mol. As a valuable heterocyclic building block, it plays a role in chemical synthesis. This compound is recognised for its utility in the preparation of more complex organic molecules, contributing to advancements in various chemical research and development endeavours.
- IUPAC
- 5-Trifluoromethyluracil

Organic Synthesis
Trifluorothymine serves as a key intermediate and building block in the synthesis of novel organic compounds. Its fluorinated pyrimidine structure makes it useful for introducing specific functionalities into target molecules.
Research and Development
This chemical is employed in research laboratories for exploring new synthetic pathways and developing advanced materials. Its unique properties can be leveraged in medicinal chemistry and material science research.
Fluorinated Heterocycles
As a pyrimidine derivative, Trifluorothymine is a valuable reagent for constructing complex fluorinated heterocyclic systems. These structures are of interest for their potential biological activities and material properties.
| Molecular weight | 180.08 |
|---|---|
| Empirical formula | C5H3F3N2O2 |
| Assay | 97% |
| Solubility | methanol: soluble50 mg/mL, clear |
| Melting point | 245-246 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| 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 Trifluorothymine used for?
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Trifluorothymine is primarily used as a building block in organic synthesis and in chemical research and development for constructing fluorinated heterocyclic systems.
What is the CAS number and molecular formula for Trifluorothymine?
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The CAS number for Trifluorothymine is 54-20-6, and its molecular formula is C5H3F3N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trifluorothymine with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should Trifluorothymine be handled safely?
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Trifluorothymine is harmful if swallowed, causes skin irritation, serious eye irritation, and may cause respiratory irritation (H301-H315-H319-H335). Handle with appropriate personal protective equipment, ensuring adequate ventilation. Avoid contact with skin, eyes, and clothing. In case of contact, rinse immediately with plenty of water.
Is Trifluorothymine a controlled substance?
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The provided safety data does not indicate that Trifluorothymine is a controlled substance.
How is Trifluorothymine packed and shipped?
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Trifluorothymine is shipped as UN 2811, Hazard Class 6.1, Packing Group III. TSS exports chemicals globally, adhering to all necessary shipping regulations.
How can I request a quote or sample of Trifluorothymine?
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To request a quote or a sample of Trifluorothymine, please contact our sales department through our website or by calling us directly.
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