| CAS No. | 861209-62-3 |
| Molecular Formula | C20H20N4O3 |
| Molecular Weight | 364.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
18,19-Dimethoxy-6-methyl-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 861209-62-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H20N4O3. Molecular weight: 364.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
| Molecular Formula | C20H20N4O3 |
| Molecular Weight | 364.40 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |