Captopril vs Imatinib
## Captopril vs Imatinib: Overview
This comparison examines the pharmacological differences between **Captopril** and **Imatinib**.
## Mechanism of Action
**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.
**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.
## Pharmacokinetics
**Half-life**: Captopril — 1.9 hours; Imatinib — 18 hours.
## Chemical Properties
**Molecular Formula**: Captopril — C9H15NO3S; Imatinib — C29H31N7O.
**Molecular Weight**: Captopril — 217.2850 g/mol; Imatinib — 493.6030 g/mol.
**Type**: Captopril — Small molecule; Imatinib — Small molecule.