Dopamine-d4 hydrochloride, 100µg/ml in MeOH, 1ml

Carbophenothion, 10.0 µg/ml, Ethyl acetate, 10ml

1,4-Dinitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 69340-07-4

2,2',3,4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,