Captopril vs Tamoxifen

## Captopril vs Tamoxifen: Overview

This comparison examines the pharmacological differences between **Captopril** and **Tamoxifen**.

## Mechanism of Action

**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

**Tamoxifen**: Selective estrogen receptor modulator (SERM).

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Tamoxifen — C26H29NO.

**Molecular Weight**: Captopril — 217.2850 g/mol; Tamoxifen — 371.5150 g/mol.

**Type**: Captopril — Small molecule; Tamoxifen — Small molecule.