Celecoxib vs Tamoxifen

## Celecoxib vs Tamoxifen: Overview

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

## Mechanism of Action

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

**Tamoxifen**: Selective estrogen receptor modulator (SERM).

## Pharmacokinetics

**Half-life**: Celecoxib — 11 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Tamoxifen — C26H29NO.

**Molecular Weight**: Celecoxib — 381.3730 g/mol; Tamoxifen — 371.5150 g/mol.

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