5-Formyluracil
5-Formyluracil (CAS: 1195-08-0), a pyrimidine derivative with the molecular formula C5H4N2O3 and a molecular weight of 140.10 g/mol, is a valuable organic building block. Characterised by its aldehyde functional group, it serves as a key intermediate in chemical synthesis, particularly in the development of heterocyclic compounds and modified nucleobases for research and development purposes.

Organic Synthesis Intermediate
5-Formyluracil is utilised as a versatile building block in the synthesis of more complex organic molecules. Its aldehyde functionality allows for various subsequent chemical transformations, making it useful in research laboratories.
Heterocyclic Chemistry
As a substituted pyrimidine, this compound is employed in the construction of diverse heterocyclic structures. These structures are often of interest in medicinal chemistry and materials science research.
Nucleoside Analogue Research
The structural relationship of 5-Formyluracil to uracil suggests potential applications in research involving modified nucleosides and their biological activities.
| Molecular weight | 140.10 |
|---|---|
| Empirical formula | C5H4N2O3 |
| Assay | 98% |
| Melting point | >300 °C (dec.)(lit.) |

Hazard statements
- 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) | Xi |
| Risk statements (R) | 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-Formyluracil used for?
+
5-Formyluracil is used as an intermediate in organic synthesis, particularly in heterocyclic chemistry and research involving nucleoside analogues.
What are the CAS number and formula for 5-Formyluracil?
+
The CAS number is 1195-08-0 and the molecular formula is C5H4N2O3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Formyluracil with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 5-Formyluracil be handled?
+
Handle 5-Formyluracil with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as a Warning with hazards H315, H319, and H335, indicating skin, eye, and respiratory irritation.
How is 5-Formyluracil shipped and exported?
+
Tech Serve Solutions is a global supplier and exporter of chemicals, ensuring appropriate packaging and documentation for international shipments of 5-Formyluracil.
How can I request a quote or sample for 5-Formyluracil?
+
Please contact our sales team directly via our website or telephone to request a quotation or sample of 5-Formyluracil.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis