Dichlorvos, 100µg/mL in Acetonitrile, 1ml

Cholest-2-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15910-23-3

Perfluorobutane sulfonic acid, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59933-66-3

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,