2-(2-Fluorophenyl)oxazol-5(4H)-one CAS 105669-20-3
| CAS No. | 105669-20-3 |
| Molecular Formula | C9H6FNO2 |
| Molecular Weight | 179.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 179.15 g/mol gives 2-(2-Fluorophenyl)oxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-Fluorophenyl)oxazol-5(4H)-one (CAS 105669-20-3) is a high-purity analytical reference standard with the molecular formula C9H6FNO2 and a molecular weight of 179.15 g/mol.
Based on its molecular formula C9H6FNO2, 2-(2-Fluorophenyl)oxazol-5(4H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(2-Fluorophenyl)oxazol-5(4H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H6FNO2 |
| Molecular Weight | 179.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluorophenyl Standards
- 4-(2-Fluorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 1065074-15-8)
- 5-(4-Fluorophenyl)-1,2,4-oxadiazol-3-amine (CAS 1092340-67-4)
- 3-(4-Fluorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 111396-66-8)
- 3-(3-Fluorophenyl)-5-hydroxyisoxazole (CAS 1188031-78-8)
- 3-(2-Fluorophenyl)-5-hydroxyisoxazole (CAS 1188090-57-4)
- 3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-amine (CAS 1219584-94-7)
- 3-(3-Fluorophenyl)-1,2,4-oxadiazol-5-amine (CAS 1249911-82-7)
- 5-(2-Fluorophenyl)-1,2,4-oxadiazol-3-amine (CAS 1342422-95-0)
Recommended Standards
- 8-Fluoro-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 1044749-59-8)
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- ethyl[2-(2-methoxyphenoxy)ethyl]amine hydrochloride (CAS 2087-33-4)
- Methyl 3-methoxy-4-((4-methoxybenzyl)oxy)benzoate (CAS 1354549-24-8)
- Methyl 3-imidazo[1,2-a]pyridin-2-ylpropanoate hydrobromide (CAS 332403-00-6)
- 2-(Difluoromethyl)-6-fluorotoluene (CAS 1214388-79-0)
- 14-Amino-4,8,12,16,20,24-hexaoxaheptacosane-1,27-diyl diacetate (CAS 2733774-39-3)
- 3-Methyloxolane-3-carbaldehyde (CAS 79437-22-2)
- (4-Bromo-3-(trifluoromethoxy)phenyl)methanol (CAS 1011531-67-1)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
Why CATO?
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