Levulinic acid Back Catalog number: 72423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79328 Hexachlorocyclopentadiene Price on request 681941 Fenazaflor, 100 µg/ml, Acetonitrile, 5ml Price on request 9943.20-50-IO C20 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request