Captopril vs Zolpidem

## Captopril vs Zolpidem: Overview

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

## Mechanism of Action

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

**Zolpidem**: Selective GABA-A receptor alpha-1 subunit agonist.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Zolpidem — 2.5 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Zolpidem — C19H21N3O.

**Molecular Weight**: Captopril — 217.2850 g/mol; Zolpidem — 307.3950 g/mol.

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