1,2-Dibromopropane, 100µg/ml in MTBE, 1ml

2,7-Dichloronaphthalene, 1.2ml x 50ug/ml, nonane

20-Methyl-5 alpha(H)-pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5737-19-9

Tetrasul, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2227-13-6