2,3,3',4,4',5,5'-Heptachlorobiphenyl (189)

5-Methylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15869-85-9

Vardenafil dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 224789-15-5

Petrochemical Qualitative Standard C5-C9 5 Analytes, equal Wt.%; unit: 1x1mL neat Use in combination with Petrochemical Quantitative Standard (S-4144) to prepare a calibration mixture covering C5 to C44 for calibrating retention times for boiling po