| CAS No. | 371923-25-0 |
| Molecular Formula | C20H17N5O3 |
| Molecular Weight | 375.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
High-purity Ethyl 2-imino-5-oxo-1-(pyridin-3-ylmethyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxylate (CAS 371923-25-0) pharmaceutical standards reference standard. Molecular formula: C20H17N5O3. Molecular weight: 375.38 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
| Molecular Formula | C20H17N5O3 |
| Molecular Weight | 375.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |