Captopril vs Duloxetine
## Captopril vs Duloxetine: Overview
This comparison examines the pharmacological differences between **Captopril** and **Duloxetine**.
## Mechanism of Action
**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.
**Duloxetine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Captopril — 1.9 hours; Duloxetine — 12 hours.
## Chemical Properties
**Molecular Formula**: Captopril — C9H15NO3S; Duloxetine — C18H19NOS.
**Molecular Weight**: Captopril — 217.2850 g/mol; Duloxetine — 297.4150 g/mol.
**Type**: Captopril — Small molecule; Duloxetine — Small molecule.