Aroclor 1242

2,3',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-72-6

Ciprofloxacin-d8 hydrochloride (piperazine-d8)

1,2,3,4,6,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene