5-Fluorouracil, 99%
5-Fluorouracil, 99% (CAS 51-21-8) supplier Zemixal: C4H3FN2O2, COA and SDS with every lot, worldwide shipping. Part of our Fluorinated Building Blocks range.
About 5-Fluorouracil, 99%
Researchers and plant chemists source 5-Fluorouracil, 99% from Zemixal for routine and specialised work. For your records (Extra Pure), the material is defined by CAS 51-21-8, formula C4H3FN2O2 and molar mass 130.08 g/mol. Expect white powder.
Typical applications
- Organic synthesis
- API synthesis
Handling and storage
Reported physical data: melting point 282-286 °C. It carries the GHS signal word Danger (H301, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 2811.
Order it in 1 g, 5 g, 25 g and 1 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- API synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | 5-Fluorouracil, 99% |
|---|---|
| Catalogue number | ZX-009744 |
| CAS number | 51-21-8 |
| IUPAC name | 5-fluoro-1H-pyrimidine-2,4-dione |
| Molecular formula | C4H3FN2O2 |
| Molar mass | 130.08 g/mol |
| Exact mass | 130.0179 |
| Grade | Extra Pure |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 282-286 °C |
| XLogP3 | -0.9 |
| H-bond donors / acceptors | 2 / 3 |
| Topological polar surface area | 58.2 Ų |
| HS code | 29335990 |
| UN number | UN 2811 |
| InChIKey | GHASVSINZRGABV-UHFFFAOYSA-N |
| SMILES | C1=C(C(=O)NC(=O)N1)F |
| PubChem CID | 3385 |
| Synonyms | 2,4-Dihydroxy-5-fluoropyrimidine, 5-FU, 5-Fluoro-2,4(1H,3H)-pyrimidinedione, Fluoroblastin, Carzonal, Timazin, 5-Fluoracil, Fluro Uracil, 5 Fluorouracil, 5-Fluoruracil, Effluderm (free base), Fluroblastin |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H340May cause genetic defects
- H360May damage fertility or the unborn child
- H412Harmful to aquatic life with long lasting effects
Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 5-Fluorouracil, 99%
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Other grades with CAS 51-21-8
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