Pyrazolines is a five-ring compound and a heterocyclic compound containing two nitrogen bases formed from chalcone (reaction between ketone and aldehyde) with hydrazine through condensation and cyclization reactions. Pyrazolines have various activities, one of which was anticancer activity. This study aims to synthesized the pyrazoline was -3-(naphthalene-2-yl)-5-(3-nitrophenyl)-1-phenyl-4,5-di…