Captopril vs Montelukast

## Captopril vs Montelukast: Overview

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

## Mechanism of Action

**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

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

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Montelukast — 2.7-5.5 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Montelukast — C35H36ClNO3S.

**Molecular Weight**: Captopril — 217.2850 g/mol; Montelukast — 586.1800 g/mol.

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