Captopril vs Diazepam

## Captopril vs Diazepam: Overview

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

## Mechanism of Action

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

**Diazepam**: Positive allosteric modulator of GABA-A receptors.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Diazepam — 20-100 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Diazepam — C16H13ClN2O.

**Molecular Weight**: Captopril — 217.2850 g/mol; Diazepam — 284.7400 g/mol.

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