| CAS No. | 889940-93-6 |
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
High-purity 1-Methyl-2,4-dioxo-2,3,4,6,7,8-hexahydro-1H-cyclopenta[5,6]pyrido[2,3-d]pyrimidine-5-carboxylic acid (CAS 889940-93-6) pharmaceutical standards reference standard. Molecular formula: C12H11N3O4. Molecular weight: 261.23 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |