Anastrozole is a synthetic, non-steroidal compound classified as an aromatase inhibitor. Its molecular formula is C₁₇H₁₉N₅, and it has a molar mass of approximately 293.37 g/mol. Structurally, it features a triazole ring linked to a substituted benzene ring bearing two nitrile groups, contributing to its high binding affinity for the aromatase enzyme.