Apixaban vs Captopril
## Apixaban vs Captopril: Overview
This comparison examines the pharmacological differences between **Apixaban** and **Captopril**.
## Mechanism of Action
**Apixaban**: Direct Factor Xa inhibitor.
**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.
## Pharmacokinetics
**Half-life**: Apixaban — 12 hours; Captopril — 1.9 hours.
## Chemical Properties
**Molecular Formula**: Apixaban — C25H25N5O4; Captopril — C9H15NO3S.
**Molecular Weight**: Apixaban — 459.4970 g/mol; Captopril — 217.2850 g/mol.
**Type**: Apixaban — Small molecule; Captopril — Small molecule.