Gefitinib vs Vancomycin

## Gefitinib vs Vancomycin: Overview

This comparison examines the pharmacological differences between **Gefitinib** and **Vancomycin**.

## Mechanism of Action

**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.

**Vancomycin**: Glycopeptide antibiotic inhibiting cell wall synthesis by binding D-Ala-D-Ala terminus of peptidoglycan precursors.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Vancomycin — 4-6 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Vancomycin — C66H75Cl2N9O24.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Vancomycin — 1449.2500 g/mol.

**Type**: Gefitinib — Small molecule; Vancomycin — Small molecule.