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

Methyl 4-hydroxybenzoate-methyl d3, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1216543-26-8

Triclocarban-13C6, 1mg

D10-1-Butanol, 100 µg/ml, Acetonitrile, 1ml