Ofloxacin, certified, 0.1g

1,2,3,4-Tetrachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 20020-02-4

2,3,3',4',6-Pentachlorobiphenyl (110)

Dehydroepiandrosterone sulfate sodium salt hydrate (DHEA sulfate sodium hydrate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1099-87-2