Reference Standard
| CAS Number | 91-01-0 |
| Formula | C₁₃H₁₂O |
| Molecular Weight | 184.23 g/mol |
| Purity | ≥95% (HPLC) |
| Storage | 2–8 °C |
Diphenylmethanol-related impurity formed during ebastine synthesis.
EP impurity identification and quantification in ebastine API.
HPLC retention matching, GC-MS, NMR.
