D3-Propoxur, 100µg/ml in Acetonitrile, 1ml

Custom mix of C18-C22 alkyl PAHs, 23 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade)): Prepared gravimetrically by weighing components and solvent to a calculated 0,10mg/mL. This product has been diluted gravim

2,4-D 13C6, 100µg/ml in Acetone, 1ml

2,6,10,15,19-Pentamethyleicosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 73303-36-3