5-Fluoroorotic acid hydrate
SIGMA/F5013 - ≥98%
Synonym: 2,6-
CAS Number: 207291-81-4
Empirical Formula (Hill Notation): C5H3FN2O4 · xH2O
Molecular Weight: 174.09 (anhydrous basis)
EC Number: 211-876-0
MDL Number: MFCD00150658
Linear Formula: C5H3FN2O4 · xH2O
Product Type: Chemical
| assay | ≥98% |
| biological source | synthetic |
| form | powder |
| InChI | 1S/C5H3FN2O4.H2O/c6-1-2(4 |
| InChI key | LODRRYMGPWQCTR-UHFFFAOYSA |
| mp | 278 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | OC(C(NC(N1)=O)=C(F)C1=O)= |
| solubility | 4 M NH4OH: 50 mg/mL, clear, colorless to light yellow |
| storage temp. | −20°C |
| technique(s) | cell culture | plant: suitable |
| Application: | 5-Fluoroorotic acid hydrate has also been used as a counter-selection agent to screen L. lactis (multi) peptidase knockout mutants and C. albicans. It has been used in synthesis of 5-fluoroorotidine 5′-monophosphate (FOMP). |
| Application: | Useful in the selection of orotidine-5′-phosphate decarboxylase mutants of Saccharomyces cerevisiae. |
| Biochem/physiol Actions: | 5-Fluoroorotic acid is a selective inhibitor of rRNA synthesis in mammals. |
| Packaging: | 1 g in poly bottle |
| Packaging: | 250 mg in poly bottle |
| Packaging: | 50 mg in glass insert |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H315 - H319 - H335 |
| Precautionary statements | P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98% |
| mp | 278 °C (dec.) (lit.) |
| Storage Temp. | −20°C |
| UNSPSC | 12352204 |


