Atenolol vs Phenytoin

## Atenolol vs Phenytoin: Overview

This comparison examines the pharmacological differences between **Atenolol** and **Phenytoin**.

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

**Phenytoin**: Sodium channel blocker stabilizing inactive state.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Phenytoin — C15H12N2O2.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Phenytoin — 252.2680 g/mol.

**Type**: Atenolol — Small molecule; Phenytoin — Small molecule.