BHC (delta isomer-13C6), 100µg/ml in Nonane, 1,2ml

delta-HCH, 100 µg/ml, Methanol, 5ml

U{13C17}-Aflatoxin G1, 0.5µg/ml, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

2-(Hydroxymethyl)butanoic Acid, 10mg