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

Dibenzo[a,i]pyrene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 158776-07-9

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml

Phosphatidylethanol-d5 ammonium salt,1000 µg free acid/mL,chloroform,1mL,