2,3,3',4',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Benzo[a]fluoranthene,200 µg/mL,acetonitrile,1mL,

alphaßß (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-92-5

Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,