PCB Congeners & Hexachlorobenzene Mix #2

1H,1H,2H,2H-Perfluoro-n-dodecyl acrylate-d3,neat,neat,10mg,

Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8

iso-Propyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-72-7