Fentanyl-D5 Back Catalog number: 73061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92467 Internal Standard Price on request 10778.8-K-IO 2,2-Dibromostyrene,1000 µg/mL,isooctane,1mL Price on request 678053 Flufenacet OA, 100 µg/ml, Acetonitrile, 1ml Price on request