17-beta-Estradiol, certified, 0.25g

3-Methylhexane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 589-34-4

3,3',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chlorfenvinfos-E,100 µg/mL,MeOH,1mL,