Roxithromycin, 100 µg/ml, Methanol, 1ml

PCB-Mix 21, 10µg/mL in Cyclohexane, 10ml

(1S,2R,3S,4S)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol, , Solvent-, Unit , # of units-, Cas.no. 79356-06-2 (Unspecified sterochemistry)

6-n-Propylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6910-41-4