5-(4-Fluorophenyl)-3-methyl-1,2,4-oxadiazole CAS 59562-68-4
| CAS No. | 59562-68-4 |
| Molecular Formula | C9H7FN2O |
| Molecular Weight | 178.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(4-Fluorophenyl)-3-methyl-1,2,4-oxadiazole (C9H7FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 178.16 g/mol, it falls into the medium-molecular-weight range. 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).
CATO supplies 5-(4-Fluorophenyl)-3-methyl-1,2,4-oxadiazole (CAS 59562-68-4), a certified reference material (molecular formula C9H7FN2O, MW 178.16 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 5-(4-Fluorophenyl)-3-methyl-1,2,4-oxadiazole 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.) | 1974 |
| 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)
- 4-(2-Fluorophenyl)-1,2-oxazol-3-amine (CAS 1267666-36-3)
Recommended Standards
- 5-(4-Fluorophenyl)-1,3-oxazol-2-amine (CAS 21718-02-5)
- 5-(4-Fluorophenyl)isoxazol-3-amine (CAS 925005-35-2)
- 5-(3-Fluorophenyl)-3-methyl-1,2,4-oxadiazole (CAS 343771-07-3)
- 5-Amino-3-(4-fluorophenyl)isoxazole (CAS 81465-82-9)
- Ethyl 5-amino-1-(5,7-bis(trifluoromethyl)-1,8-naphthyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 246022-31-1)
- 4-Hydroxy-2-oxobutanoic acid (CAS 22136-38-5)
- 2-[3-(4-bromoanilino)-1-(dimethylamino)-2-propenylidene]malononitrile (CAS 339102-06-6)
- 1-(2-(2,4-Dichlorophenyl)-4-methylthiazol-5-yl)ethan-1-one (CAS 1211847-16-3)
- Atracurium impurity 99 (CAS 155913-37-4)
- 4-Chloro-5,6-dimethyl-2-(pyrimidin-2-yl)pyrimidine (CAS 1179266-29-5)
- 4-Bromo-1-(fluoromethyl)-2-iodobenzene (CAS 1823057-30-2)
- 3-Ethynyl-2,6-dimethoxypyridine (CAS 1823908-50-4)
- 3,5-Difluoropyridin-4(1H)-one (CAS 253435-46-0)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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