Captopril vs Diltiazem

Captopril vs Diltiazem: Overview

This comparison examines the pharmacological differences between Captopril and Diltiazem.

Mechanism of Action

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

Diltiazem: Benzothiazepine calcium channel blocker.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Diltiazem — 3-4.5 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Diltiazem — C22H26N2O4S.

Molecular Weight: Captopril — 217.2850 g/mol; Diltiazem — 414.5190 g/mol.

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