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