Bisoprolol vs Metoprolol
## Bisoprolol vs Metoprolol: Overview
This comparison examines the pharmacological differences between **Bisoprolol** and **Metoprolol**.
## Mechanism of Action
**Bisoprolol**: Highly selective beta-1 adrenergic receptor blocker reducing heart rate and myocardial contractility.
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
## Pharmacokinetics
**Half-life**: Bisoprolol — 10-12 hours; Metoprolol — 3-7 hours.
## Chemical Properties
**Molecular Formula**: Bisoprolol — C18H31NO4; Metoprolol — C15H25NO3.
**Molecular Weight**: Bisoprolol — 325.4470 g/mol; Metoprolol — 267.3640 g/mol.
**Type**: Bisoprolol — Small molecule; Metoprolol — Small molecule.