3-Hydroxy-Imidacloprid, 100 µg/ml, Acetonitrile,

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

Chamazulene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 529-05-5

Nitrofurantoin 13C3, 5mg