Fentanyl Back Catalog number: 73060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1243.8-1ML 2-Methylheptane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 592-27-8 Price on request 674947 Hexadecyltrimethylammonium chloride, 100mg Price on request 2893.18-100-HX Di-n-pentyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 358730-89-9 Price on request