| CAS No. | 1227303-13-0 |
| Molecular Formula | C23H26FN7O3 |
| Molecular Weight | 467.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 467.50 g/mol gives 2-(((Rel-(1R,4r)-4-((R)-1-amino-2-(7-fluoro-2-oxoquinoxalin-1(2H)-yl)ethyl)cyclohexyl)amino)methyl)-6H-pyrimido[5,4-b][1,4]oxazin-7(8H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(((Rel-(1R,4r)-4-((R)-1-amino-2-(7-fluoro-2-oxoquinoxalin-1(2H)-yl)ethyl)cyclohexyl)amino)methyl)-6H-pyrimido[5,4-b][1,4]oxazin-7(8H)-one (CAS 1227303-13-0), molecular formula C23H26FN7O3 and molecular weight 467.50 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H26FN7O3, 2-(((Rel-(1R,4r)-4-((R)-1-amino-2-(7-fluoro-2-oxoquinoxalin-1(2H)-yl)ethyl)cyclohexyl)amino)methyl)-6H-pyrimido[5,4-b][1,4]oxazin-7(8H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 467.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C23H26FN7O3 |
| Molecular Weight | 467.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 7 |