Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol

1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml

2-Ethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4500-58-7

Fenthion-d6, 100µg/ml in Acetonitrile, 1ml