Method 1613 Calibration Solution [CS1], in Nonane, 0,2ml

Fentanyl impurity A, 25mg

2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200)

2-Methylheneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-82-3