2,3-Benzofluorene Back Catalog number: 93156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53054 Mixed Calibration Standard 2 Price on request 1531.22-100-TX5 Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 203578-33-0 Price on request 2540.7-25MG Paraxanthine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 611-59-6 Price on request