2-Ethylanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52251-71-5

25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

Isoproturon D6 (dimethyl D6), 1000µg/mL in Acetonitrile, 1ml

2,3,3,3-Tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoic acid, 1.2ml x 50ug/ml, methanol