Reference Standard
| CAS Number | 919491-64-8 |
| Formula | C₉H₁₈N₂ |
| Molecular Weight | ~154.3 g/mol |
| Purity | ≥90–98% |
| Storage | 2–8 °C, protected from humidity |
A low-molecular-weight amine impurity generated from side reactions or raw-material residues during synthesis.
Used in impurity identification and method development studies for ibandronate bulk drug.
Detected and quantified by LC-MS, GC-MS (if volatile), and HPLC impurity methods.
