Allopurinol vs Imatinib
## Allopurinol vs Imatinib: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Imatinib**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Imatinib — 18 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Imatinib — C29H31N7O.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Imatinib — 493.6030 g/mol.
**Type**: Allopurinol — Small molecule; Imatinib — Small molecule.