| CAS No. | 57452-32-1 |
| Molecular Formula | C19H22N2O3 |
| Molecular Weight | 326.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,2,3,6,7,11b-Hexahydro-2-[(4-oxocyclohexyl)carbonyl]-4H-pyrazino[2,1-a]isoquinolin-4-one, 98% (CAS 57452-32-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H22N2O3. Molecular weight: 326.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C19H22N2O3 |
| Molecular Weight | 326.39 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |