Search for Species Data by Structure or Substructure

There are three structure search options available:

  1. Use applet to draw a structure.
    This option requires a Java capable browser.
  2. Submit a mol (MDL) file containing the structure. This option requires a browser which can upload files.
  3. Specify structure properties and subgroups in a form.

© 2016 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.

If you have comments or questions about this site, please contact us.