Tolpyralate, 100 µg/ml, Acetonitrile, 1ml

d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52663-79-3

10:2 Di-PAPS, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1895-26-7