Finasteride vs Methotrexate

## Finasteride vs Methotrexate: Overview

This comparison examines the pharmacological differences between **Finasteride** and **Methotrexate**.

## Mechanism of Action

**Finasteride**: Competitive inhibitor of 5-alpha-reductase type II.

**Methotrexate**: Dihydrofolate reductase inhibitor.

## Pharmacokinetics

**Half-life**: Finasteride — 5-6 hours; Methotrexate — 3-10 hours.

## Chemical Properties

**Molecular Formula**: Finasteride — C23H36N2O2; Methotrexate — C20H22N8O5.

**Molecular Weight**: Finasteride — 372.5490 g/mol; Methotrexate — 454.4400 g/mol.

**Type**: Finasteride — Small molecule; Methotrexate — Small molecule.