Captopril vs Ondansetron

Captopril vs Ondansetron: Overview

This comparison examines the pharmacological differences between Captopril and Ondansetron.

Mechanism of Action

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

Ondansetron: Selective 5-HT3 receptor antagonist.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Ondansetron — 3-5 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Ondansetron — C18H19N3O.

Molecular Weight: Captopril — 217.2850 g/mol; Ondansetron — 293.3660 g/mol.

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