| CAS No. | 1449218-80-7 |
| Molecular Formula | C18H23N2OP |
| Molecular Weight | 314.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,3-Bis((R)-1-phenylethyl)-1,3,2-diazaphospholidine 2-oxide (CAS 1449218-80-7) is a high-purity analytical reference standard with the molecular formula C18H23N2OP and a molecular weight of 314.36 g/mol.
Based on its molecular formula C18H23N2OP, 1,3-Bis((R)-1-phenylethyl)-1,3,2-diazaphospholidine 2-oxide contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 314.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 1,3-Bis((R)-1-phenylethyl)-1,3,2-diazaphospholidine 2-oxide 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 | C18H23N2OP |
| Molecular Weight | 314.36 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |