The alkyl groups can be branched and linear alkanes between 1-14 carbons length, 2-butyl, pentyl, hexyl, 1,3-dimethylbutyl, heptyl, octyl, isooctyl (2-ethylhexyl), 6-methylheptyl, 1-methylpropyl, dodecylphenyl, and others.
A mix of zinc dialkyl(C3-C6)dithiophosphates come under CAS number [84605-29-8]. List of other examples with their CAS numbers is here.
