gamma-HCH, 100 µg/ml, Cyclohexane, 5ml

D4-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml

2,2,3,3,4,5,5,6,6-Nonachlorobiphenyl

Propandiamine-1,2-13C2, , Solvent-, Unit , # of units-, Cas.no. 108-13-4 (unlabelled)