Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

2,4,5-T-methyl ester

Sildenafil-d3 (N-methyl-d3-piperazine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1126745-90-1