| CAS No. | 256227-77-7 |
| Molecular Formula | C28H29N5O3 |
| Molecular Weight | 483.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 483.56 g/mol gives N-(4-Hydroxy-3-(4-methylpiperazin-1-yl)phenyl)-2'-methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(4-Hydroxy-3-(4-methylpiperazin-1-yl)phenyl)-2'-methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide (CAS 256227-77-7), molecular formula C28H29N5O3 and molecular weight 483.56 g/mol, is a CATO reference standard with documented purity and traceability.
N-(4-Hydroxy-3-(4-methylpiperazin-1-yl)phenyl)-2'-methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide (C28H29N5O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), N-(4-Hydroxy-3-(4-methylpiperazin-1-yl)phenyl)-2'-methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide 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 | C28H29N5O3 |
| Molecular Weight | 483.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |