Captopril vs Omeprazole

## Captopril vs Omeprazole: Overview

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

## Mechanism of Action

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

**Omeprazole**: Proton pump inhibitor that irreversibly blocks H+/K+-ATPase.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Omeprazole — 0.5-1 hour.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Omeprazole — C17H19N3O3S.

**Molecular Weight**: Captopril — 217.2850 g/mol; Omeprazole — 345.4170 g/mol.

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