Aspirin vs Atenolol
## Aspirin vs Atenolol: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Atenolol**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Atenolol — 6-7 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Atenolol — C14H22N2O3.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Atenolol — 266.3360 g/mol.
**Type**: Aspirin — Small molecule; Atenolol — Small molecule.