2,4-Dihydroxypyrimidine-5-carboxylic acid
2,4-Dihydroxypyrimidine-5-carboxylic acid (CAS: 23945-44-0), also known as Uracil-5-carboxylic acid, is a heterocyclic compound with the molecular formula C5H4N2O4 and a molecular weight of 156.10 g/mol. Supplied by Tech Serve Solutions at a 95% assay, this building block is crucial for various chemical synthesis applications, particularly within heterocyclic chemistry. Its properties lend themselves to specific analytical methodologies.
- IUPAC
- Isoorotic acid,Uracil-5-carboxylic acid
- Synonyms
- Isoorotic acidUracil-5-carboxylic acid

Melamine Detection
2,4-Dihydroxypyrimidine-5-carboxylic acid has been employed in an analytical method for the visual sensing of melamine at parts-per-billion levels. This application leverages its interaction with gold nanoparticles for sensitive detection.
Chemical Synthesis Intermediate
As a pyrimidine derivative, this compound serves as a valuable building block in organic synthesis. It is particularly useful for the construction of more complex heterocyclic structures.
Research and Development
This chemical is utilised in research laboratories for exploring novel synthetic pathways and developing new chemical entities. Its defined structure makes it suitable for targeted molecular design.
| Molecular weight | 156.10 |
|---|---|
| Empirical formula | C5H4N2O4 |
| Assay | 95% |
| Application | 2,4-Dihydroxypyrimidine-5-carboxylic acid (Uracil-5-carboxylic acid) has been used for the visual sensing of melamine (at parts-per-billion (ppb) level) by a highly sensitive analytical method based on Au nanoparticles1. |
| Melting point | 283 °C (dec.)(lit.) |
| 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 2,4-Dihydroxypyrimidine-5-carboxylic acid used for?
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2,4-Dihydroxypyrimidine-5-carboxylic acid is used as a building block in chemical synthesis and has been applied in analytical methods for melamine detection.
What is the CAS number and molecular formula?
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The CAS number is 23945-44-0 and the molecular formula is C5H4N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dihydroxypyrimidine-5-carboxylic acid with a 95% assay. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety precautions when handling this chemical?
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When handling, it is necessary to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany rating of 3, indicating it is hazardous to water.
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can arrange shipment worldwide.
How can I request a quote or sample?
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To request a quote or a sample of 2,4-Dihydroxypyrimidine-5-carboxylic acid, please contact our sales team through the website or by phone.
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