| CAS No. | 2254501-59-0 |
| Molecular Formula | C14H13F5N3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(5R)-5,6-Dihydro-5-(1-methylethyl)-2-(2,3,4,5,6-pentafluorophenyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxaziniumTetrafluoroborate (CAS 2254501-59-0) is a high-purity analytical reference standard with the molecular formula C14H13F5N3OBF4 and a molecular weight of 421.07 g/mol.
Structurally, (5R)-5,6-Dihydro-5-(1-methylethyl)-2-(2,3,4,5,6-pentafluorophenyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxaziniumTetrafluoroborate (C14H13F5N3OBF4) 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 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 421.07 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (5R)-5,6-Dihydro-5-(1-methylethyl)-2-(2,3,4,5,6-pentafluorophenyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxaziniumTetrafluoroborate 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.
| Molecular Formula | C14H13F5N3O BF4 |
| Molecular Weight | 421.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |