4-(2-Fluorophenyl)-1,2-oxazol-3-amine CAS 1267666-36-3
| CAS No. | 1267666-36-3 |
| Molecular Formula | C9H7FN2O |
| Molecular Weight | 178.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 178.16 g/mol gives 4-(2-Fluorophenyl)-1,2-oxazol-3-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2-Fluorophenyl)-1,2-oxazol-3-amine (CAS 1267666-36-3) is a high-purity analytical reference standard with the molecular formula C9H7FN2O and a molecular weight of 178.16 g/mol.
Based on its molecular formula C9H7FN2O, 4-(2-Fluorophenyl)-1,2-oxazol-3-amine 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 178.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(2-Fluorophenyl)-1,2-oxazol-3-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H7FN2O |
| Molecular Weight | 178.16 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenyl Standards
- 1-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1244979-90-5)
- 1-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1245149-27-2)
- 4-(2-Fluorophenyl)oxazol-2-amine (CAS 1247986-89-5)
- 4-(2-fluorophenyl)-1,2-oxazol-5-amine (CAS 1248955-29-4)
- 4-(3-fluorophenyl)-1,2-oxazol-5-amine (CAS 1250981-00-0)
- 5-(3-Fluorophenyl)oxazol-2-amine (CAS 1260887-31-7)
- 5-(2-Fluorophenyl)oxazol-2-amine (CAS 1260889-62-0)
- 3-(2-Fluorophenyl)-5-methyl-1,2,4-oxadiazole (CAS 1426958-50-0)
Recommended Standards
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- 1,4-dihydrocinnolin-4-one (CAS 18514-84-6)
- 4-Bromo-1-(2-(2-methyl-1h-imidazol-1-yl)ethyl)-1h-pyrazol-3-amine (CAS 1247737-29-6)
- Methyl 2-(prop-2-yn-1-yloxy)benzoate (CAS 59155-84-9)
- 2,2-Dimethyl-3-morpholinopropanal hydrochloride (CAS 23650-11-5)
- N-methyl-1-(piperidin-4-yl)-N-((tetrahydro-2H-pyran-4-yl)methyl)methanamine dihydrochloride (CAS 1220030-24-9)
- 3-(2-Cyano-4,5-dimethoxyphenyl)-1-[4-(4-pentylcyclohexyl)phenyl]thiourea (CAS 692287-55-1)
- (9H-fluoren-9-yl)methyl (pyrrolidin-2-ylmethyl)carbamate (CAS 1131622-58-6)
- 1-Ethyl-4-((2-fluoro-4-nitrophenoxy)methyl)-3-methyl-1H-pyrazole (CAS 1260379-21-2)
- Carisoprodol Isopropyl Impurity (CAS 1729-14-2)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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