Gefitinib vs Metoprolol

## Gefitinib vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Metoprolol — C15H25NO3.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Metoprolol — 267.3640 g/mol.

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