Atenolol vs Tofacitinib

## Atenolol vs Tofacitinib: Overview

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

## Mechanism of Action

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

**Tofacitinib**: Pan-JAK inhibitor with preference for JAK1 and JAK3 blocking pro-inflammatory cytokine signaling.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Tofacitinib — 3.2 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Tofacitinib — C16H20N6O.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Tofacitinib — 312.3700 g/mol.

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