Molecule reference

Aspirin Structure, 3D Viewer, SMILES and Properties

Aspirin, also called acetylsalicylic acid, is a salicylate NSAID and antiplatelet agent. This page gives the aspirin structure, identifiers, properties, class, and a direct MolDraw editor link.

Published: 6 Jun 2026 ยท Data identifiers cross-checkable with PubChem CID 2244

Structure

2D chemical structure of aspirin

Aspirin contains a benzene ring bearing a carboxylic acid and an acetylated phenolic oxygen. It is a common classroom example for ester functional groups and aromatic carboxylic acids.

Draw or edit aspirin in MolDraw

3D Viewer

Loading aspirin 3D conformer...

The 3D preview loads a PubChem 3D conformer for visualization and quick inspection.

Properties and Use

  • Common name: Aspirin
  • IUPAC name: 2-acetyloxybenzoic acid
  • Class: salicylate nonsteroidal anti-inflammatory drug
  • Typical chemistry context: ester hydrolysis, aromatic substitution patterns, acid derivatives, and medicinal chemistry examples.