3-Hydroxybutyric acid, 100 µg/ml, Acetonitrile,

2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Dimethyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 624-92-0

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,