17-alpha-Estradiol, certified, 0.1g

13C6-trans-1,2-Dihydroxy-1,2-dihydronaphthalene , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

ICP-MS Memory Check Solution B

2,4-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane