Atenolol vs Irbesartan

## Atenolol vs Irbesartan: Overview

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

## Mechanism of Action

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

**Irbesartan**: Selective non-competitive angiotensin II type 1 receptor antagonist.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Irbesartan — 11-15 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Irbesartan — C25H28N6O.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Irbesartan — 428.5320 g/mol.

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