Fentanyl-D5 Back Catalog number: 96501 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0722.12-K-IO 1,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-41-7 Price on request 82484 Method 8430 Calibration Mix Price on request 71406 Tetramethylurea Price on request