Fentanyl Back Catalog number: 73060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681369 Siduron, 100mg Price on request 677367 Anthracene, 100 µg/ml, Cyclohexane, 1ml Price on request CA12145000 Demeton-S-methyl-sulfoxide, certified, 25mg Price on request