Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

2-Imidazolidinethione (ETU)", 100μg/mL in Acetonitrile, 5ml

2-Hydroxydibenzofuran, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 86-77-1

2,6-Dimethylolphenol, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 2937-59-9