Reference Standard
| CAS Number | 329216-67-3 |
| Formula | C₁₉H₂₁N₃OS |
| Molecular Weight | ~339.45 g/mol |
| Purity | Typically ≥97% (HPLC) |
| Storage | Refrigerated 2–8 °C |
Hydroxyethyl quetiapine impurity formed during synthesis or degradation; reference standard for QC.
Impurity profiling, stability studies, method validation.
Characterized by HPLC, MS, NMR; COA provided.