Polymyxin B vs Tamoxifen
## Polymyxin B vs Tamoxifen: Overview
This comparison examines the pharmacological differences between **Polymyxin B** and **Tamoxifen**.
## Mechanism of Action
**Tamoxifen**: Selective estrogen receptor modulator (SERM).
## Pharmacokinetics
**Half-life**: Polymyxin B — N/A; Tamoxifen — 5-7 days.
## Chemical Properties
**Molecular Formula**: Polymyxin B — N/A; Tamoxifen — C26H29NO.
**Molecular Weight**: Polymyxin B — N/A; Tamoxifen — 371.5150 g/mol.
**Type**: Polymyxin B — Protein; Tamoxifen — Small molecule.