Aspirin vs Propranolol
## Aspirin vs Propranolol: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Propranolol**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Propranolol**: Non-selective beta-adrenergic receptor blocker.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Propranolol — 3-6 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Propranolol — C16H21NO2.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Propranolol — 259.3440 g/mol.
**Type**: Aspirin — Small molecule; Propranolol — Small molecule.