3-Ethoxypropyl acetate,1000 µg/mL,MeOH,1mL,

d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-79-9

4-Nitrophenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-79-2

2,2',3,3',4',5,5'-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene