Captopril vs Escitalopram

## Captopril vs Escitalopram: Overview

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

## Mechanism of Action

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

**Escitalopram**: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Escitalopram — 27-32 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Escitalopram — C20H21FN2O.

**Molecular Weight**: Captopril — 217.2850 g/mol; Escitalopram — 324.3920 g/mol.

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