Stigmastanol

Stock Standard #4

2,6-Dimethyl-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2423-71-4

2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,