3,3',4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

Bis(2-ethylhexyl) Phthalate, >98%, 25g

Climbazole, 100 µg/ml, Ethyl acetate, 5ml