Tetrachloro-m-xylene Internal Standard

Pentachloronitrobenzene, 1000µg/ml in Acetonitrile, 1ml

5 alpha(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 566-88-1

1-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63019-38-5