3,3',4,5,5'-Pentachlorobiphenyl (127)

17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0

CLP Volatiles - Low Conc Internal Standard

2,3,7-Trichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene