Cas registry number: 120511-73-1 Molecular weight: 293.37density: 1.08 g/cm3boiling point: 469.7 oc at 760 mmhgmelting point: 81-82¡æflash point: 469.7 oc at 760 mmhgstorage temperature: Store in original container in a cool dark place.Refractive index: 1.791solubility: Insolublebiological activity: Potent and highly selective aromatase (cyp19) inhibitor (ic 50 = 15nm) that has no discernible effect on adrenocorticoid hormone synthesis. Reduces plasma estrogen levels and exhibits antitumor activity in vivo . Orally active.Appearance: Crystalline solidusage: An aromatase inhibitor. Used as an antineoplastic.