Fexofenadine EP Impurity B
| Name of Impurity/Standard | Fexofenadine EP Impurity B |
| CAS No. | 479035-75-1 |
| Molecular Formula | C₃₂H₃₉NO₄ |
| Molecular Weight | 501.66 g/mol |
| Synonyms: 3-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethylbenzeneacetic Acid; | |