Pyrazoline is an azole compound in the form of heterocyclic rings consisting of three C and two N atoms. Pyrazoline compound has a wide range of bioactivities. This study aims to analyse the anti-breast cancer activity of 2-(5-(3-chlorophenyl)-1-phenyl-4,5dihydro-1H-pyrazol-3-yl)naphthalen-1-ol (PF-NH1-3Cl) pyrazoline compound against the α-estrogen receptors. The PF-NH1-3Cl compound had been …