Fentanyl-D5 Back Catalog number: 73061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1955.11-K-IO Ethyltri-n-propyltin, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3440-79-7 Price on request 19162 EPA Method 525.2 - PAH Standard Price on request 3351.22-100 beta-Cypermethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 65731-84-2 Price on request