Captopril vs Naproxen

## Captopril vs Naproxen: Overview

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

## Mechanism of Action

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

**Naproxen**: Non-selective COX inhibitor.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Naproxen — 12-17 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Naproxen — C14H14O3.

**Molecular Weight**: Captopril — 217.2850 g/mol; Naproxen — 230.2590 g/mol.

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