Atenolol vs Lisinopril
## Atenolol vs Lisinopril: Overview
This comparison examines the pharmacological differences between **Atenolol** and **Lisinopril**.
## Mechanism of Action
**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.
**Lisinopril**: ACE inhibitor preventing conversion of angiotensin I to angiotensin II.
## Pharmacokinetics
**Half-life**: Atenolol — 6-7 hours; Lisinopril — 12 hours.
## Chemical Properties
**Molecular Formula**: Atenolol — C14H22N2O3; Lisinopril — C21H31N3O5.
**Molecular Weight**: Atenolol — 266.3360 g/mol; Lisinopril — 405.4900 g/mol.
**Type**: Atenolol — Small molecule; Lisinopril — Small molecule.