Imatinib vs Methotrexate

## Imatinib vs Methotrexate: Overview

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

## Mechanism of Action

**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.

**Methotrexate**: Dihydrofolate reductase inhibitor.

## Pharmacokinetics

**Half-life**: Imatinib — 18 hours; Methotrexate — 3-10 hours.

## Chemical Properties

**Molecular Formula**: Imatinib — C29H31N7O; Methotrexate — C20H22N8O5.

**Molecular Weight**: Imatinib — 493.6030 g/mol; Methotrexate — 454.4400 g/mol.

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