Atenolol vs Tacrolimus

## Atenolol vs Tacrolimus: Overview

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

## Mechanism of Action

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

**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Tacrolimus — C44H69NO12.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Tacrolimus — 804.0180 g/mol.

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