Norfentanyl hydrochloride Back Catalog number: 96502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4M61 2,3,4,5-Tetrachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request LA11457544CY Chloroparaffin C13 55.03% Cl, 10μg/mL in CY, 1ml Price on request 59135 Anion Mix Price on request