Sildenafil citrate, 100mg

EPA O-FID Quantitative Calibration Mixes (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x10mL one of each Std. Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane