Amitraz, 1000µg/ml in Acetonitrile, 1ml

2,3,3',4,5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 519-32-4

2,2',5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane