Spectinomycin sulfate hydrate, certified, 0.1g

2,2',4,4',5,5'-Hexabromobiphenyl (PBB-153), 100µg/mL in IO, 1,2ml

2,4,4’-Trichlorobiphenyl (28)

Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5