Captopril vs Finasteride

## Captopril vs Finasteride: Overview

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

## Mechanism of Action

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

**Finasteride**: Competitive inhibitor of 5-alpha-reductase type II.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Finasteride — 5-6 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Finasteride — C23H36N2O2.

**Molecular Weight**: Captopril — 217.2850 g/mol; Finasteride — 372.5490 g/mol.

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