Shorten the distance between theory and implementation
ARChem's physicochemical calculator, SPARC, uses computational algorithms based on fundamental chemical structure theory to estimate a wide variety of reactivity parameters strictly from molecular structure.
ARChem Headlines
April 2016
Koc as a function of pH has been added as a new option. Also allows the concentration of metal+, metal++ and metal+++ to be specified.
February 2016
Solubility as a function of pH has been added as a new calculation option.
December 2015
SPARC now has improved handling of very large, condensed ring systems. It can also now calculate solubility as a function of pH. A new user manual makes calculating with SPARC even easier.
May 2015
SPARC Automated Reasoning Caclulator v6.0 now available for Windows and Linux. Added CAS support for batch, MultiPhase Equilibria and chromatography for Kovat's Index. User defined solvents expanded and coupled to your database storage for permanent storage between sessions.
February 2015
SPARC moved to Amazon Web Services for faster calculation times and greater uptime.
March 2013
SPARC Automated Reasoning Calculator v5.1 now available for Windows and Linux
September 2010
New website launched to better serve academic, government and industrial laboratories.
August 2010
SPARC Automated Reasoning Calculator v4.5 now available
Helping you work smarter
We're the company behind SPARC, the most extensive automated reasoning system for chemists available. Learn more about the developers and the 15 years dedicated to this enterprise software. more...