Captopril vs Cephalexin

## Captopril vs Cephalexin: Overview

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

## Mechanism of Action

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

**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Cephalexin — 0.5-1.2 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Cephalexin — C16H17N3O4S.

**Molecular Weight**: Captopril — 217.2850 g/mol; Cephalexin — 347.3890 g/mol.

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