Captopril vs Venlafaxine

## Captopril vs Venlafaxine: Overview

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

## Mechanism of Action

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

**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Venlafaxine — C17H27NO2.

**Molecular Weight**: Captopril — 217.2850 g/mol; Venlafaxine — 277.4020 g/mol.

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