Sildenafil Impurity 21

Uses

4-[(2-Hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide is an intermediate used in the synthesis of Desethyl Gendenafil (D290470), which could be a possible metabolite of Gendenafil (G349960) based on the metabolic pathway of Sildenafil (S435000, Citrate salt), an analogue of Gendenafil.