Heptenofos,100 µg/mL,MeOH,1mL,

Diethyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-81-6

Sulfentrazone, 10.0 µg/ml, Acetonitrile, 10ml

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 63466-71-7