| CAS No. | 1105191-05-6 |
| Molecular Formula | C14H11N3O4 |
| Molecular Weight | 285.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Methyl-2,4-dioxo-3-phenyl-2,3,4,5-tetrahydro-1h-pyrrolo[3,2-d]pyrimidin+ (CAS 1105191-05-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11N3O4. Molecular weight: 285.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C14H11N3O4 |
| Molecular Weight | 285.25 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |