Metoprolol vs Tamoxifen

## Metoprolol vs Tamoxifen: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Metoprolol — 3-7 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Metoprolol — C15H25NO3; Tamoxifen — C26H29NO.

**Molecular Weight**: Metoprolol — 267.3640 g/mol; Tamoxifen — 371.5150 g/mol.

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