alpha alpha alpha (20R)-Cholestane, 100µg/mLin Isooctane, 1ml

Phosalone, 100 µg/ml, Toluene, 1ml

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

Tetramethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 7696-12-0