Erlotinib vs Melphalan

## Erlotinib vs Melphalan: Overview

This comparison examines the pharmacological differences between **Erlotinib** and **Melphalan**.

## Mechanism of Action

**Erlotinib**: Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

## Pharmacokinetics

**Half-life**: Erlotinib — 36 hours; Melphalan — N/A.

## Chemical Properties

**Molecular Formula**: Erlotinib — C22H23N3O4; Melphalan — N/A.

**Molecular Weight**: Erlotinib — 393.4380 g/mol; Melphalan — N/A.

**Type**: Erlotinib — Small molecule; Melphalan — Small molecule.