Captopril vs Lorazepam

Captopril vs Lorazepam: Overview

This comparison examines the pharmacological differences between Captopril and Lorazepam.

Mechanism of Action

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

Lorazepam: Intermediate-acting benzodiazepine enhancing GABA-A receptor chloride conductance.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Lorazepam — 10-20 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Lorazepam — C15H10Cl2N2O2.

Molecular Weight: Captopril — 217.2850 g/mol; Lorazepam — 321.1580 g/mol.

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