Formoterol EP Impurity G is used in analytical method development method validation stability studies related-substances testing and routine quality control to ensure that Formoterol products meet pharmacopoeial and regulatory requirements.

The purpose of Formoterol EP Impurity G is to serve as a reference standard for identifying monitoring and quantifying this specific impurity during pharmaceutical quality control and regulatory testing of Formoterol drug substances and drug products.

Formoterol EP Impurity G is a specified pharmacopoeial impurity of Formoterol chemically identified as 1-(4-methoxyphenyl)propan-2-amine (also known as 2-aminopropylanisole). It is recognized in the European Pharmacopoeia (EP) and used as a reference impurity standard for Formoterol analysis