Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol

5 alpha(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 566-88-1

Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7

Indeno[1,2,3-cd]pyrene, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 193-39-5