Color Back Catalog number: 50818 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93838 Resorcinol, 2000µg/ml in MeOH, 1ml Price on request 675116 Phorate-oxon, 10.0 µg/ml, Cyclohexane, 1ml Price on request 0059.19-200-T 6H-Benzo[cd]pyren-6-one, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3074-00-8 Price on request