Metoprolol vs Penicillin G Sodium
## Metoprolol vs Penicillin G Sodium: Overview
This comparison examines the pharmacological differences between **Metoprolol** and **Penicillin G Sodium**.
## Mechanism of Action
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
## Pharmacokinetics
**Half-life**: Metoprolol — 3-7 hours; Penicillin G Sodium — N/A.
## Chemical Properties
**Molecular Formula**: Metoprolol — C15H25NO3; Penicillin G Sodium — N/A.
**Molecular Weight**: Metoprolol — 267.3640 g/mol; Penicillin G Sodium — N/A.
**Type**: Metoprolol — Small molecule; Penicillin G Sodium — Small molecule.