Diltiazem vs Metoprolol
## Diltiazem vs Metoprolol: Overview
This comparison examines the pharmacological differences between **Diltiazem** and **Metoprolol**.
## Mechanism of Action
**Diltiazem**: Benzothiazepine calcium channel blocker.
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
## Pharmacokinetics
**Half-life**: Diltiazem — 3-4.5 hours; Metoprolol — 3-7 hours.
## Chemical Properties
**Molecular Formula**: Diltiazem — C22H26N2O4S; Metoprolol — C15H25NO3.
**Molecular Weight**: Diltiazem — 414.5190 g/mol; Metoprolol — 267.3640 g/mol.
**Type**: Diltiazem — Small molecule; Metoprolol — Small molecule.