Marvin JS chemical editor

Updated 15 May 2023

Some Mastering questions provide a set of chemical drawing tools like the ones labeled below. These tools are based on Marvin JS, an advanced chemical editor from ChemAxon, Ltd that is used in pharmaceutical and other industries. It's best to work with these drawing tools on a computer.

• To answer molecular 2D or 3D drawing questions —
  See the instructions for using the Marvin JS tools similar to those shown below.

  

  See an image of Marvin JS 3D molecular drawing tools (Above image is for 2D.)

  

• To answer mechanism drawing questions —
  See the instructions for using the Marvin JS tools shown below.

  

If the button arrangement on your chemical drawing question looks very different from either of the above images: See alternate instructions for Molecule drawing: Lewis structures.

See also: Marvin JS User's Guide
This searchable guide on the ChemAxon website includes the latest info about Marvin JS, including some features that are NOT applicable to Mastering assignments.