It is an impurity of Voriconazole, which is an antifungal medication used to treat a number of fungal infections.

An intermediate used to prepare Ketoconazole.

It is an intermediate in the preparation of antifungal agents such as Ketoconazole, Itraconazole and Terconazole.

1-(4-Aminophenyl)-4-(4-hydroxyphenyl)piperazine is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme.

It may be used to manage neuropathic pain, postherpetic neuralgia, and fibromyalgia among other conditions. Although as per the FDA Label the mechanism of action has not been definitively characterized, there is evidence that pregabalin exerts its effects by binding to the α2δ subunit of voltage-dependent calcium channels.

An intermediate useful in the preparation of Donepezil.

An impurity of Ambroxol and Bromhexine.