Donepezil vs Methotrexate
## Donepezil vs Methotrexate: Overview
This comparison examines the pharmacological differences between **Donepezil** and **Methotrexate**.
## Mechanism of Action
**Donepezil**: Reversible acetylcholinesterase inhibitor.
**Methotrexate**: Dihydrofolate reductase inhibitor.
## Pharmacokinetics
**Half-life**: Donepezil — 70 hours; Methotrexate — 3-10 hours.
## Chemical Properties
**Molecular Formula**: Donepezil — C24H29NO3; Methotrexate — C20H22N8O5.
**Molecular Weight**: Donepezil — 379.4920 g/mol; Methotrexate — 454.4400 g/mol.
**Type**: Donepezil — Small molecule; Methotrexate — Small molecule.