1,2,3,5,8-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane

N-Nitrosodi-n-propylamine-d14, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 93951-96-3

3-Iodothyronamine (4-Hydroxyphenyl-13C6) HCl, 1mg

Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,