Atenolol vs Metoprolol

## Atenolol vs Metoprolol: Overview

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

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

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

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Metoprolol — C15H25NO3.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Metoprolol — 267.3640 g/mol.

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