Delta G Scientific Company was originally a front company established April 1982 in Weldegraan, Pretoria by the South African Defence Force to research and produce chemical weapons within a covert operation known as Project Coast.
Medchem Consolidated Investments was registered in the Cayman Islands by a David Webster on behalf of Wouter Basson, who held 75% of Delta G shares.
Delta G was acquired in 1993 by Sentrachem, which has been a subsidiary of the Dow Chemical Company since 1997.