d2 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL in Isooctane, 1ml

Ketoprofen, 100µg/ml in Acetonitrile, 5ml

11 VOC Mix, 200µg/ml in MeOH, 1ml

2,2',4,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60044-24-8