2,4-DB Back Catalog number: 83563 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96501 Fentanyl-D5 Price on request X9002 Acenaphthylene Price on request 1049.14-K-T Anthracene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 120-12-7 Price on request