Cephalexin vs Osimertinib

## Cephalexin vs Osimertinib: Overview

This comparison examines the pharmacological differences between **Cephalexin** and **Osimertinib**.

## Mechanism of Action

**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.

**Osimertinib**: Third-generation irreversible EGFR TKI targeting T790M resistance mutation and activating mutations.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Osimertinib — 48 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Osimertinib — C28H33N7O2.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Osimertinib — 499.6050 g/mol.

**Type**: Cephalexin — Small molecule; Osimertinib — Small molecule.