| CAS No. | 1024708-47-1 |
| Molecular Formula | C21H20N4O4S |
| Molecular Weight | 424.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 424.47 g/mol gives 2-((3-Benzyl-8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-((3-Benzyl-8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide (CAS 1024708-47-1), molecular formula C21H20N4O4S and molecular weight 424.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H20N4O4S, 2-((3-Benzyl-8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 424.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C21H20N4O4S |
| Molecular Weight | 424.47 g/mol |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |