| CAS No. | 2278-50-4 |
| Molecular Formula | C45H19N3O4 |
| Molecular Weight | 665.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 5H-Benzo[6,7]indazolo[2,3,4-fgh]naphtho[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-6,11,14,19-tetraone (CAS 2278-50-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C45H19N3O4. Molecular weight: 665.65 g/mol. Batch-specific COA and technical support are available on request.
| Molecular Formula | C45H19N3O4 |
| Molecular Weight | 665.65 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 38.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |