Montelukast vs Tofacitinib

## Montelukast vs Tofacitinib: Overview

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

## Mechanism of Action

**Montelukast**: Selective leukotriene D4 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Montelukast — 2.7-5.5 hours; Tofacitinib — 3.2 hours.

## Chemical Properties

**Molecular Formula**: Montelukast — C35H36ClNO3S; Tofacitinib — C16H20N6O.

**Molecular Weight**: Montelukast — 586.1800 g/mol; Tofacitinib — 312.3700 g/mol.

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