Norfentanyl hydrochloride Back Catalog number: 96502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92358 EPA Method 508 Standard Price on request 678147 Simetryn, 100 µg/ml, Acetonitrile, 5ml Price on request XA10010000AL Acephate, 100µg/mL in Acetonitrile, 1ml Price on request