MolDraw Learn

How to find the formula, weight and IUPAC name

Beginner 4 min 3 steps

Short answer: Select your molecule and click Info. The panel shows the name, formula and weight. Click Copy IUPAC to copy the name.

You will learn to: Draw a molecule; Open the Info panel; Copy the IUPAC name.

1 Watch demo2 Try in editor

Watch the demo

Molecule info in about 15 seconds.

The steps in text

Step 1: Draw ethanol

  1. Draw one bond. Change the left atom to O.
  2. Click C in the palette. Then click the right atom with the bond tool to add a carbon.

Step 2: Open the Info panel

  1. Press Ctrl+A to select all.
  2. Click Info at the top.

Step 3: Copy the IUPAC name

  1. In the Info panel, click Copy IUPAC.

Try it in the editor

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

Questions and answers

How do I get the IUPAC name?

Select the molecule and click Info. Then click Copy IUPAC.

Does the weight include hydrogens?

Yes. The formula and weight count all implied hydrogens.

Can I see logP and exact mass?

Yes. They are in the same Info panel.

For more detail, read the guide in the docs.