| CAS No. | 915731-88-3 |
| Molecular Formula | C24H28Cl2N4O4 |
| Molecular Weight | 507.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
Carbamic acid,n-[[4-(2,4-dichlorophenyl)-6-[2-(dimethylamino)-2-oxoethyl]-6,7-dihydro-2-methyl-5-oxo-5H-pyrrolo[3,4-b]pyridin-3-yl]methyl]-,1,1-dimethylethylester (CAS 915731-88-3), molecular formula C24H28Cl2N4O4 and molecular weight 507.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Carbamic acid,n-[[4-(2,4-dichlorophenyl)-6-[2-(dimethylamino)-2-oxoethyl]-6,7-dihydro-2-methyl-5-oxo-5H-pyrrolo[3,4-b]pyridin-3-yl]methyl]-,1,1-dimethylethylester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 507.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C24H28Cl2N4O4 |
| Molecular Weight | 507.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |