| CAS No. | 856570-73-5 |
| Molecular Formula | C18H13N5O |
| Molecular Weight | 315.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 5-(5-Methyl-[3,3'-bipyridin]-4-yl)-3-(pyridin-2-yl)-1,2,4-oxadiazole is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(5-Methyl-[3,3'-bipyridin]-4-yl)-3-(pyridin-2-yl)-1,2,4-oxadiazole (CAS 856570-73-5) is a high-purity analytical reference standard with the molecular formula C18H13N5O and a molecular weight of 315.33 g/mol.
5-(5-Methyl-[3,3'-bipyridin]-4-yl)-3-(pyridin-2-yl)-1,2,4-oxadiazole (C18H13N5O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(5-Methyl-[3,3'-bipyridin]-4-yl)-3-(pyridin-2-yl)-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.
| Molecular Formula | C18H13N5O |
| Molecular Weight | 315.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |