Triasuluron, 100µg/ml in Acetonitrile, 1ml

7-Hydroxy Mitragynine, 0,25mg

n-Tetratriacontane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14167-59-0

2,2',3,4,4',6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,