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