1-[4-[2-Hydroxy-2-[4-hydroxy-3-(hydroxyMethyl)phenyl]ethoxy]-3-(hydroxyMethyl)phenyl]-2-[[6-(3-phenylbutoxy)hexyl]aMino]ethanol;4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxyMethyl)phenyl]ethyl] SalMeterol;Salmeterol Xinafoate BP Impurity D;Salmeterol Impurity 5(Salmeterol EP Impurity D );1,3-Benzenedimethanol, 4-[2-hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethoxy]-α1-[[[6-(4-phenylbutoxy)hexyl]amino]methyl]-;Salmeterol Impurity 5(EP Impurity D );Salmeterol EP Impurity D/ Salmeterol O-Alkyl Impurity;salmeterol impurities1067
Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility
DMSO (Slightly), Methanol (Slightly)
form
Solid
pka
9.89±0.31(Predicted)
color
Orange to Red
Stability
Very Hygroscopic
Description
4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol (Salmeterol EP Impurity D) is an impurity of the β2-Adrenergic agonist Salmeterol (S090100).