Levulinic acid Back Catalog number: 72423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4048-2K-T Perdeuterated Internal Standard - PAH-Mixture 1 4 Analytes, each 2000 µg/mL in toluene; units:1x1mL, 1x5mL Compounds Window 0978.10 Naphthalene-d8 1 [1146-65-2] 1086.12 Biphenyl-d10 2 [148 Price on request 3739.12-100-ME 2,3,5,6-Tetrachlorobiphenyl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33284-54-7 Price on request S-4037-5K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request