Captopril vs Sumatriptan
## Captopril vs Sumatriptan: Overview
This comparison examines the pharmacological differences between **Captopril** and **Sumatriptan**.
## Mechanism of Action
**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.
**Sumatriptan**: Selective 5-HT1B/1D receptor agonist.
## Pharmacokinetics
**Half-life**: Captopril — 1.9 hours; Sumatriptan — 2.5 hours.
## Chemical Properties
**Molecular Formula**: Captopril — C9H15NO3S; Sumatriptan — C14H21N3O2S.
**Molecular Weight**: Captopril — 217.2850 g/mol; Sumatriptan — 295.4020 g/mol.
**Type**: Captopril — Small molecule; Sumatriptan — Small molecule.