Atenolol vs Losartan

## Atenolol vs Losartan: Overview

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

## Mechanism of Action

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

**Losartan**: Angiotensin II receptor type 1 antagonist.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Losartan — 2 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Losartan — C22H23ClN6O.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Losartan — 422.9200 g/mol.

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