Fensulfothion-sulfone, 100µg/ml in Cyclohexane, 1ml

4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 764661-24-7

Riboflavin (E101), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 83-88-5

Atrazine, 250mg