Pharmaceutical Substances is an entirely web based product, which does not require the installation of any specialized software on your computer. Pharmaceutical Substances is supported on:
PC (Windows NT 4.0 / 95 / 98 / 2000 / XP): Microsoft Internet Explorer 5.0 and above, Mozilla 5.0 and above.
MAC (OS X, 10.3.9 and above): Safari 2.0 and above.