Alprazolam vs Captopril

## Alprazolam vs Captopril: Overview

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

## Mechanism of Action

**Alprazolam**: High-potency benzodiazepine GABA-A receptor modulator.

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

## Pharmacokinetics

**Half-life**: Alprazolam — 6-12 hours; Captopril — 1.9 hours.

## Chemical Properties

**Molecular Formula**: Alprazolam — C17H13ClN4; Captopril — C9H15NO3S.

**Molecular Weight**: Alprazolam — 308.7650 g/mol; Captopril — 217.2850 g/mol.

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