MolDraw Learn

How to search PubChem by name or CAS number

Beginner 3 min 2 steps

Short answer: Type a name or a CAS number in the PubChem box. MolDraw draws the structure for you.

You will learn to: Search by name; Search by CAS number.

1 Watch demo2 Try in editor

Watch the demo

PubChem search in about 20 seconds.

The steps in text

Step 1: Search by name

  1. Click the PubChem search box at the top.
  2. Type caffeine. Press Enter.

Step 2: Search by CAS number

  1. Click Clear canvas (the red bin).
  2. Type 50-78-2 in the PubChem box. Press Enter.

Try it in the editor

The full MolDraw editor opens here. It loads when you open this tab.

Questions and answers

What is a CAS number?

A unique ID for a chemical, such as 50-78-2 for aspirin.

Does search work offline?

No. PubChem search needs the internet.

For more detail, read the guide in the docs.