Celecoxib vs Gefitinib

## Celecoxib vs Gefitinib: Overview

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

## Mechanism of Action

**Celecoxib**: Selective COX-2 inhibitor.

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

## Pharmacokinetics

**Half-life**: Celecoxib — 11 hours; Gefitinib — 48 hours.

## Chemical Properties

**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Gefitinib — C22H24ClFN4O3.

**Molecular Weight**: Celecoxib — 381.3730 g/mol; Gefitinib — 446.9000 g/mol.

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