Captopril vs Gabapentin

## Captopril vs Gabapentin: Overview

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

## Mechanism of Action

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

**Gabapentin**: Binds alpha-2-delta subunit of voltage-gated calcium channels.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Gabapentin — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Gabapentin — C9H17NO2.

**Molecular Weight**: Captopril — 217.2850 g/mol; Gabapentin — 171.2370 g/mol.

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