Captopril vs Rabeprazole

Captopril vs Rabeprazole: Overview

This comparison examines the pharmacological differences between Captopril and Rabeprazole.

Mechanism of Action

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

Rabeprazole: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Rabeprazole — 1-2 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Rabeprazole — C18H21N3O3S.

Molecular Weight: Captopril — 217.2850 g/mol; Rabeprazole — 359.4440 g/mol.

Type: Captopril — Small molecule; Rabeprazole — Small molecule.