Phenytoin vs Tolcapone
## Phenytoin vs Tolcapone: Overview
This comparison examines the pharmacological differences between **Phenytoin** and **Tolcapone**.
## Mechanism of Action
**Phenytoin**: Sodium channel blocker stabilizing inactive state.
## Pharmacokinetics
**Half-life**: Phenytoin — 22 hours; Tolcapone — N/A.
## Chemical Properties
**Molecular Formula**: Phenytoin — C15H12N2O2; Tolcapone — N/A.
**Molecular Weight**: Phenytoin — 252.2680 g/mol; Tolcapone — N/A.
**Type**: Phenytoin — Small molecule; Tolcapone — Small molecule.