About the MOTW App

A reference and quiz in one fun iPhone application! It gives you a clue and an image, and you guess what the molecule is. Select “What Molecule Am I?” to see if you’re right.

Browse the archive page to see a description for any molecule in the app. (Chemists draw and review structures and content for accuracy.)

Additional Details

  • New molecule added every week
  • Zoom feature allows you to increase the size of the molecule image
  • New clue appears when you shake your iPhone
  • Adjustable font size
  • Links to CAS Registry for each molecule
  • “Help” feature provides instructions for using the MOTW application