| CAS Number | 3680-71-5 |
| Product Code | SL1113008 |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.12 |
| Appearance | White to off-white solid |
| Melting Point | 345-348 °C |
| Boiling Point | 473.1±18.0 °C (Predicted) |
| Density | 1.62±0.1 g/cm³ (Predicted) |
| SMILES | O=c1[nH]cnc2[nH]ccc12 |
| InChIKey | FBMZEITWVNHWJW-UHFFFAOYSA-N |
| Description | 4-Hydroxypyrrolo[2,3-d]pyrimidine, a purine base bioisostere. The 4-hydroxyl (lactam) can condense with amines for glycosidic bond formation in nucleoside antiviral synthesis. |
| Applications | Pharmaceutical intermediate; pyrrolopyrimidine; nucleoside intermediate |