Atorvastatin vs Tamoxifen
## Atorvastatin vs Tamoxifen: Overview
This comparison examines the pharmacological differences between **Atorvastatin** and **Tamoxifen**.
## Mechanism of Action
**Atorvastatin**: Competitive inhibitor of HMG-CoA reductase.
**Tamoxifen**: Selective estrogen receptor modulator (SERM).
## Pharmacokinetics
**Half-life**: Atorvastatin — 14 hours; Tamoxifen — 5-7 days.
## Chemical Properties
**Molecular Formula**: Atorvastatin — C33H35FN2O5; Tamoxifen — C26H29NO.
**Molecular Weight**: Atorvastatin — 558.6400 g/mol; Tamoxifen — 371.5150 g/mol.
**Type**: Atorvastatin — Small molecule; Tamoxifen — Small molecule.