Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml

Fenthion-d6 (O,O-dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1189662-83-6

Methylhexanamine hydrochloride,neat,neat,10mg,

Method 200.8/1638/1640 Internal Standard