Freewares

• Estimation Program Interface (EPI) Suite – based suite of physical/chemical property and environmental fate estimation programs developed by the EPA’s Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC), USA.
  http://www.epa.gov/opptintr/exposure/pubs/episuite.htm
• Calculator for  buffers preparations and pH control devoloped by University of Liverpool, England.
  http://www.liv.ac.uk/buffers/buffercalc.html

Databases

• Spectral Database for Organic Compounds organized by National Institute of Advanced Industrial Science and Technology (AIST), Japan.
  http://sdbs.riodb.aist.go.jp/sdbs/cgi-bin/cre_index.cgi
• NIST Standard Reference Database, USA.
  http://webbook.nist.gov/chemistry/